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Chore: Add headers to all the files (#54)

Browse Source 
## Description
- Add headers to all the CSV files

## Script used
```py
import csv
import os

# Set the path of the folder containing the CSV files
folder_path = "./LeetCode-Questions-CompanyWise"
headers = [
    "ID",
    "Title",
    "Acceptance",
    "Difficulty",
    "Frequency",
    "Leetcode Question Link",
]

# Loop through all the CSV files in the folder
for file_name in os.listdir(folder_path):
    if file_name.endswith(".csv"):
        # Read the CSV file into a list of rows
        file_path = os.path.join(folder_path, file_name)
        with open(file_path, "r") as f:
            reader = csv.reader(f)
            rows = list(reader)

        has_headers = False
        if len(rows) > 0 and rows[0] == headers:
            has_headers = True

        if not has_headers:
            rows.insert(0, headers)

            # Write the list of rows back to the CSV file
            with open(file_path, "w", newline="") as f:
                writer = csv.writer(f)
                writer.writerows(rows)

```
This commit is contained in:
Krishna Kumar Dey
2023-04-01 11:07:49 +05:30
committed by GitHub
parent 0aeadbd612
commit fb5f78b55e
534 changed files with 20291 additions and 19757 deletions
Download Patch File Download Diff File Expand all files Collapse all files

281
adobe_1year.csv
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@@ -1,140 +1,141 @@
1,Two Sum,45.6%,Easy,0.3464144405513164, https://leetcode.com/problems/two-sum
2,Add Two Numbers,33.9%,Medium,0.303844163691924, https://leetcode.com/problems/add-two-numbers
21,Merge Two Sorted Lists,53.5%,Easy,0.2612738868325316, https://leetcode.com/problems/merge-two-sorted-lists
1096,Brace Expansion II,62.2%,Hard,0.2363887780642304, https://leetcode.com/problems/brace-expansion-ii
741,Cherry Pickup,33.9%,Hard,0.20909179785855941, https://leetcode.com/problems/cherry-pickup
5,Longest Palindromic Substring,29.5%,Medium,0.18726302339313927, https://leetcode.com/problems/longest-palindromic-substring
3,Longest Substring Without Repeating Characters,30.4%,Medium,0.14469274653374686, https://leetcode.com/problems/longest-substring-without-repeating-characters
82,Remove Duplicates from Sorted List II,36.8%,Medium,0.1110882064011508, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
274,H-Index,36.1%,Medium,0.07416907257227875, https://leetcode.com/problems/h-index
706,Design HashMap,61.3%,Easy,0.0683442674369718, https://leetcode.com/problems/design-hashmap
22,Generate Parentheses,62.7%,Medium,0.06759329113252818, https://leetcode.com/problems/generate-parentheses
115,Distinct Subsequences,38.3%,Hard,0.061494781607806234, https://leetcode.com/problems/distinct-subsequences
739,Daily Temperatures,63.3%,Medium,0.06111383323222972, https://leetcode.com/problems/daily-temperatures
420,Strong Password Checker,14.0%,Hard,0.061087691979838175, https://leetcode.com/problems/strong-password-checker
218,The Skyline Problem,34.6%,Hard,0.0564413109049518, https://leetcode.com/problems/the-skyline-problem
76,Minimum Window Substring,34.6%,Hard,0.05473322196089386, https://leetcode.com/problems/minimum-window-substring
728,Self Dividing Numbers,74.3%,Easy,0.054658412537864055, https://leetcode.com/problems/self-dividing-numbers
15,3Sum,26.8%,Medium,0.05357467464947331, https://leetcode.com/problems/3sum
206,Reverse Linked List,62.5%,Easy,0.046346967254127305, https://leetcode.com/problems/reverse-linked-list
725,Split Linked List in Parts,52.2%,Medium,0.04603804920255727, https://leetcode.com/problems/split-linked-list-in-parts
53,Maximum Subarray,46.5%,Easy,0.04299340685592046, https://leetcode.com/problems/maximum-subarray
37,Sudoku Solver,43.6%,Hard,0.040527833612118376, https://leetcode.com/problems/sudoku-solver
25,Reverse Nodes in k-Group,42.1%,Hard,0.040236757867738004, https://leetcode.com/problems/reverse-nodes-in-k-group
202,Happy Number,50.4%,Easy,0.03853744444187023, https://leetcode.com/problems/happy-number
42,Trapping Rain Water,48.9%,Hard,0.038490960607653675, https://leetcode.com/problems/trapping-rain-water
560,Subarray Sum Equals K,43.9%,Medium,0.037871360699521406, https://leetcode.com/problems/subarray-sum-equals-k
7,Reverse Integer,25.8%,Easy,0.03703110993069894, https://leetcode.com/problems/reverse-integer
31,Next Permutation,32.6%,Medium,0.03686102113159897, https://leetcode.com/problems/next-permutation
74,Search a 2D Matrix,36.5%,Medium,0.03685354875882915, https://leetcode.com/problems/search-a-2d-matrix
4,Median of Two Sorted Arrays,29.6%,Hard,0.034565653112280895, https://leetcode.com/problems/median-of-two-sorted-arrays
214,Shortest Palindrome,29.8%,Hard,0.03419136474827932, https://leetcode.com/problems/shortest-palindrome
12,Integer to Roman,55.1%,Medium,0.03370158881097552, https://leetcode.com/problems/integer-to-roman
617,Merge Two Binary Trees,74.1%,Easy,0.03264929866766111, https://leetcode.com/problems/merge-two-binary-trees
1114,Print in Order,65.7%,Easy,0.0317486983145803, https://leetcode.com/problems/print-in-order
55,Jump Game,34.6%,Medium,0.030985252381807864, https://leetcode.com/problems/jump-game
368,Largest Divisible Subset,38.0%,Medium,0.030351343424138456, https://leetcode.com/problems/largest-divisible-subset
176,Second Highest Salary,31.6%,Easy,0.029252542837437355, https://leetcode.com/problems/second-highest-salary
1108,Defanging an IP Address,87.5%,Easy,0.02901382119071579, https://leetcode.com/problems/defanging-an-ip-address
219,Contains Duplicate II,37.7%,Easy,0.028500979167549973, https://leetcode.com/problems/contains-duplicate-ii
11,Container With Most Water,50.8%,Medium,0.02727648457622222, https://leetcode.com/problems/container-with-most-water
343,Integer Break,50.4%,Medium,0.027157133968907482, https://leetcode.com/problems/integer-break
312,Burst Balloons,51.8%,Hard,0.02552786995334295, https://leetcode.com/problems/burst-balloons
220,Contains Duplicate III,20.9%,Medium,0.024876904755404577, https://leetcode.com/problems/contains-duplicate-iii
395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.024228925974379843, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
836,Rectangle Overlap,48.6%,Easy,0.024228925974379843, https://leetcode.com/problems/rectangle-overlap
221,Maximal Square,37.7%,Medium,0.022108490754203434, https://leetcode.com/problems/maximal-square
18,4Sum,33.7%,Medium,0.022011160101351537, https://leetcode.com/problems/4sum
45,Jump Game II,30.6%,Hard,0.021353124470568974, https://leetcode.com/problems/jump-game-ii
300,Longest Increasing Subsequence,42.6%,Medium,0.020893943681912164, https://leetcode.com/problems/longest-increasing-subsequence
525,Contiguous Array,42.8%,Medium,0.01975372873623256, https://leetcode.com/problems/contiguous-array
229,Majority Element II,35.6%,Medium,0.019057270410286146, https://leetcode.com/problems/majority-element-ii
146,LRU Cache,33.2%,Medium,0.01827577993873683, https://leetcode.com/problems/lru-cache
200,Number of Islands,46.8%,Medium,0.017925481766054456, https://leetcode.com/problems/number-of-islands
993,Cousins in Binary Tree,52.0%,Easy,0.017414458368636587, https://leetcode.com/problems/cousins-in-binary-tree
6,ZigZag Conversion,36.3%,Medium,0.01726827253226344, https://leetcode.com/problems/zigzag-conversion
175,Combine Two Tables,60.8%,Easy,0.017235202581487984, https://leetcode.com/problems/combine-two-tables
994,Rotting Oranges,49.2%,Medium,0.017087941897195622, https://leetcode.com/problems/rotting-oranges
389,Find the Difference,55.3%,Easy,0.016978336534417868, https://leetcode.com/problems/find-the-difference
178,Rank Scores,45.8%,Medium,0.016785958549561074, https://leetcode.com/problems/rank-scores
191,Number of 1 Bits,49.8%,Easy,0.01673523624045844, https://leetcode.com/problems/number-of-1-bits
51,N-Queens,46.6%,Hard,0.016393809775676407, https://leetcode.com/problems/n-queens
322,Coin Change,35.5%,Medium,0.016022774188122292, https://leetcode.com/problems/coin-change
204,Count Primes,31.5%,Easy,0.015842612639489526, https://leetcode.com/problems/count-primes
59,Spiral Matrix II,53.9%,Medium,0.01579187969789165, https://leetcode.com/problems/spiral-matrix-ii
238,Product of Array Except Self,60.1%,Medium,0.015629897160874744, https://leetcode.com/problems/product-of-array-except-self
561,Array Partition I,72.0%,Easy,0.015186320707985562, https://leetcode.com/problems/array-partition-i
217,Contains Duplicate,56.0%,Easy,0.015106027431013205, https://leetcode.com/problems/contains-duplicate
198,House Robber,42.0%,Easy,0.014946565030639177, https://leetcode.com/problems/house-robber
54,Spiral Matrix,34.1%,Medium,0.014776167707688753, https://leetcode.com/problems/spiral-matrix
142,Linked List Cycle II,37.3%,Medium,0.014710955064667802, https://leetcode.com/problems/linked-list-cycle-ii
41,First Missing Positive,32.0%,Hard,0.014368063266920193, https://leetcode.com/problems/first-missing-positive
315,Count of Smaller Numbers After Self,41.5%,Hard,0.014352596574956585, https://leetcode.com/problems/count-of-smaller-numbers-after-self
24,Swap Nodes in Pairs,50.4%,Medium,0.013945066390122038, https://leetcode.com/problems/swap-nodes-in-pairs
703,Kth Largest Element in a Stream,49.7%,Easy,0.013898764390814973, https://leetcode.com/problems/kth-largest-element-in-a-stream
64,Minimum Path Sum,54.5%,Medium,0.013734383449598314, https://leetcode.com/problems/minimum-path-sum
44,Wildcard Matching,24.7%,Hard,0.013703537497261858, https://leetcode.com/problems/wildcard-matching
13,Roman to Integer,55.7%,Easy,0.013645103403569418, https://leetcode.com/problems/roman-to-integer
1192,Critical Connections in a Network,48.6%,Hard,0.01352742981715631, https://leetcode.com/problems/critical-connections-in-a-network
70,Climbing Stairs,47.8%,Easy,0.013494975575004323, https://leetcode.com/problems/climbing-stairs
329,Longest Increasing Path in a Matrix,43.4%,Hard,0.013400535537482126, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
85,Maximal Rectangle,37.7%,Hard,0.013333530869465187, https://leetcode.com/problems/maximal-rectangle
344,Reverse String,68.5%,Easy,0.013014662307854044, https://leetcode.com/problems/reverse-string
137,Single Number II,52.4%,Medium,0.012527567532662891, https://leetcode.com/problems/single-number-ii
88,Merge Sorted Array,39.4%,Easy,0.011986958032982505, https://leetcode.com/problems/merge-sorted-array
543,Diameter of Binary Tree,48.4%,Easy,0.011898606798495848, https://leetcode.com/problems/diameter-of-binary-tree
987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.011601058182762062, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
1051,Height Checker,71.1%,Easy,0.011468015591641189, https://leetcode.com/problems/height-checker
48,Rotate Image,56.7%,Medium,0.011428695823622754, https://leetcode.com/problems/rotate-image
148,Sort List,42.3%,Medium,0.011204599012863078, https://leetcode.com/problems/sort-list
236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.010575891759058162, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
92,Reverse Linked List II,38.8%,Medium,0.010427623162259089, https://leetcode.com/problems/reverse-linked-list-ii
234,Palindrome Linked List,39.3%,Easy,0.010171877938733932, https://leetcode.com/problems/palindrome-linked-list
61,Rotate List,30.0%,Medium,0.009925639799969955, https://leetcode.com/problems/rotate-list
113,Path Sum II,46.7%,Medium,0.009784813879998279, https://leetcode.com/problems/path-sum-ii
387,First Unique Character in a String,53.4%,Easy,0.009392680199054166, https://leetcode.com/problems/first-unique-character-in-a-string
96,Unique Binary Search Trees,52.9%,Medium,0.009242209964820877, https://leetcode.com/problems/unique-binary-search-trees
279,Perfect Squares,47.4%,Medium,0.009216655104924008, https://leetcode.com/problems/perfect-squares
20,Valid Parentheses,39.0%,Easy,0.009170695326061695, https://leetcode.com/problems/valid-parentheses
23,Merge k Sorted Lists,40.2%,Hard,0.009092808657599025, https://leetcode.com/problems/merge-k-sorted-lists
128,Longest Consecutive Sequence,45.1%,Hard,0.009051883485315484, https://leetcode.com/problems/longest-consecutive-sequence
295,Find Median from Data Stream,44.3%,Hard,0.00899893586856953, https://leetcode.com/problems/find-median-from-data-stream
139,Word Break,40.1%,Medium,0.008741314401573542, https://leetcode.com/problems/word-break
977,Squares of a Sorted Array,72.1%,Easy,0.008733679968754604, https://leetcode.com/problems/squares-of-a-sorted-array
49,Group Anagrams,56.9%,Medium,0.008538951314232168, https://leetcode.com/problems/group-anagrams
239,Sliding Window Maximum,43.0%,Hard,0.007898935224534491, https://leetcode.com/problems/sliding-window-maximum
56,Merge Intervals,39.3%,Medium,0.007796972706004796, https://leetcode.com/problems/merge-intervals
876,Middle of the Linked List,68.4%,Easy,0.007624893975696915, https://leetcode.com/problems/middle-of-the-linked-list
240,Search a 2D Matrix II,43.2%,Medium,0.0075829747244553335, https://leetcode.com/problems/search-a-2d-matrix-ii
16,3Sum Closest,46.0%,Medium,0.0075259057003469075, https://leetcode.com/problems/3sum-closest
10,Regular Expression Matching,26.8%,Hard,0.0071865203293987245, https://leetcode.com/problems/regular-expression-matching
1365,How Many Numbers Are Smaller Than the Current Number,85.6%,Easy,0.007109877088701047, https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number
110,Balanced Binary Tree,43.5%,Easy,0.007027435807456887, https://leetcode.com/problems/balanced-binary-tree
73,Set Matrix Zeroes,43.1%,Medium,0.0070151111959223245, https://leetcode.com/problems/set-matrix-zeroes
114,Flatten Binary Tree to Linked List,49.3%,Medium,0.006896579059060353, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
118,Pascal's Triangle,52.5%,Easy,0.006749941254175012, https://leetcode.com/problems/pascals-triangle
83,Remove Duplicates from Sorted List,45.4%,Easy,0.006353261522609498, https://leetcode.com/problems/remove-duplicates-from-sorted-list
91,Decode Ways,24.7%,Medium,0.005968385368349129, https://leetcode.com/problems/decode-ways
152,Maximum Product Subarray,31.7%,Medium,0.005590510716885066, https://leetcode.com/problems/maximum-product-subarray
287,Find the Duplicate Number,55.5%,Medium,0.005501320434837602, https://leetcode.com/problems/find-the-duplicate-number
112,Path Sum,41.2%,Easy,0.00546972510956646, https://leetcode.com/problems/path-sum
278,First Bad Version,35.7%,Easy,0.005391575265790431, https://leetcode.com/problems/first-bad-version
237,Delete Node in a Linked List,63.8%,Easy,0.005144705881237697, https://leetcode.com/problems/delete-node-in-a-linked-list
155,Min Stack,44.5%,Easy,0.00474891074128171, https://leetcode.com/problems/min-stack
169,Majority Element,58.7%,Easy,0.004706444738837472, https://leetcode.com/problems/majority-element
35,Search Insert Position,42.6%,Easy,0.004646848510375352, https://leetcode.com/problems/search-insert-position
1470,Shuffle the Array,88.9%,Easy,0.004527967890154029, https://leetcode.com/problems/shuffle-the-array
125,Valid Palindrome,36.7%,Easy,0.0039805008274065926, https://leetcode.com/problems/valid-palindrome
215,Kth Largest Element in an Array,55.4%,Medium,0.003902443976931749, https://leetcode.com/problems/kth-largest-element-in-an-array
8,String to Integer (atoi),15.4%,Medium,0.0037925521897059712, https://leetcode.com/problems/string-to-integer-atoi
141,Linked List Cycle,41.1%,Easy,0.0034937584669245472, https://leetcode.com/problems/linked-list-cycle
101,Symmetric Tree,46.8%,Easy,0.0034057078469827435, https://leetcode.com/problems/symmetric-tree
14,Longest Common Prefix,35.4%,Easy,0.003320331762984143, https://leetcode.com/problems/longest-common-prefix
66,Plus One,43.0%,Easy,0.00326211347832938, https://leetcode.com/problems/plus-one
33,Search in Rotated Sorted Array,34.5%,Medium,0.003229976968332634, https://leetcode.com/problems/search-in-rotated-sorted-array
9,Palindrome Number,48.4%,Easy,0.0030379001110948244, https://leetcode.com/problems/palindrome-number
98,Validate Binary Search Tree,27.8%,Medium,0.002943776044013381, https://leetcode.com/problems/validate-binary-search-tree
104,Maximum Depth of Binary Tree,66.0%,Easy,0.002787846801433134, https://leetcode.com/problems/maximum-depth-of-binary-tree
121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0021239321954525975, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
26,Remove Duplicates from Sorted Array,45.1%,Easy,0.0019513153174351963, https://leetcode.com/problems/remove-duplicates-from-sorted-array
79,Word Search,35.6%,Medium,0.0016647248725526849, https://leetcode.com/problems/word-search
ID,Title,Acceptance,Difficulty,Frequency,Leetcode Question Link
1,Two Sum,45.6%,Easy,0.3464144405513164, https://leetcode.com/problems/two-sum
2,Add Two Numbers,33.9%,Medium,0.303844163691924, https://leetcode.com/problems/add-two-numbers
21,Merge Two Sorted Lists,53.5%,Easy,0.2612738868325316, https://leetcode.com/problems/merge-two-sorted-lists
1096,Brace Expansion II,62.2%,Hard,0.2363887780642304, https://leetcode.com/problems/brace-expansion-ii
741,Cherry Pickup,33.9%,Hard,0.20909179785855941, https://leetcode.com/problems/cherry-pickup
5,Longest Palindromic Substring,29.5%,Medium,0.18726302339313927, https://leetcode.com/problems/longest-palindromic-substring
3,Longest Substring Without Repeating Characters,30.4%,Medium,0.14469274653374686, https://leetcode.com/problems/longest-substring-without-repeating-characters
82,Remove Duplicates from Sorted List II,36.8%,Medium,0.1110882064011508, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
274,H-Index,36.1%,Medium,0.07416907257227875, https://leetcode.com/problems/h-index
706,Design HashMap,61.3%,Easy,0.0683442674369718, https://leetcode.com/problems/design-hashmap
22,Generate Parentheses,62.7%,Medium,0.06759329113252818, https://leetcode.com/problems/generate-parentheses
115,Distinct Subsequences,38.3%,Hard,0.061494781607806234, https://leetcode.com/problems/distinct-subsequences
739,Daily Temperatures,63.3%,Medium,0.06111383323222972, https://leetcode.com/problems/daily-temperatures
420,Strong Password Checker,14.0%,Hard,0.061087691979838175, https://leetcode.com/problems/strong-password-checker
218,The Skyline Problem,34.6%,Hard,0.0564413109049518, https://leetcode.com/problems/the-skyline-problem
76,Minimum Window Substring,34.6%,Hard,0.05473322196089386, https://leetcode.com/problems/minimum-window-substring
728,Self Dividing Numbers,74.3%,Easy,0.054658412537864055, https://leetcode.com/problems/self-dividing-numbers
15,3Sum,26.8%,Medium,0.05357467464947331, https://leetcode.com/problems/3sum
206,Reverse Linked List,62.5%,Easy,0.046346967254127305, https://leetcode.com/problems/reverse-linked-list
725,Split Linked List in Parts,52.2%,Medium,0.04603804920255727, https://leetcode.com/problems/split-linked-list-in-parts
53,Maximum Subarray,46.5%,Easy,0.04299340685592046, https://leetcode.com/problems/maximum-subarray
37,Sudoku Solver,43.6%,Hard,0.040527833612118376, https://leetcode.com/problems/sudoku-solver
25,Reverse Nodes in k-Group,42.1%,Hard,0.040236757867738004, https://leetcode.com/problems/reverse-nodes-in-k-group
202,Happy Number,50.4%,Easy,0.03853744444187023, https://leetcode.com/problems/happy-number
42,Trapping Rain Water,48.9%,Hard,0.038490960607653675, https://leetcode.com/problems/trapping-rain-water
560,Subarray Sum Equals K,43.9%,Medium,0.037871360699521406, https://leetcode.com/problems/subarray-sum-equals-k
7,Reverse Integer,25.8%,Easy,0.03703110993069894, https://leetcode.com/problems/reverse-integer
31,Next Permutation,32.6%,Medium,0.03686102113159897, https://leetcode.com/problems/next-permutation
74,Search a 2D Matrix,36.5%,Medium,0.03685354875882915, https://leetcode.com/problems/search-a-2d-matrix
4,Median of Two Sorted Arrays,29.6%,Hard,0.034565653112280895, https://leetcode.com/problems/median-of-two-sorted-arrays
214,Shortest Palindrome,29.8%,Hard,0.03419136474827932, https://leetcode.com/problems/shortest-palindrome
12,Integer to Roman,55.1%,Medium,0.03370158881097552, https://leetcode.com/problems/integer-to-roman
617,Merge Two Binary Trees,74.1%,Easy,0.03264929866766111, https://leetcode.com/problems/merge-two-binary-trees
1114,Print in Order,65.7%,Easy,0.0317486983145803, https://leetcode.com/problems/print-in-order
55,Jump Game,34.6%,Medium,0.030985252381807864, https://leetcode.com/problems/jump-game
368,Largest Divisible Subset,38.0%,Medium,0.030351343424138456, https://leetcode.com/problems/largest-divisible-subset
176,Second Highest Salary,31.6%,Easy,0.029252542837437355, https://leetcode.com/problems/second-highest-salary
1108,Defanging an IP Address,87.5%,Easy,0.02901382119071579, https://leetcode.com/problems/defanging-an-ip-address
219,Contains Duplicate II,37.7%,Easy,0.028500979167549973, https://leetcode.com/problems/contains-duplicate-ii
11,Container With Most Water,50.8%,Medium,0.02727648457622222, https://leetcode.com/problems/container-with-most-water
343,Integer Break,50.4%,Medium,0.027157133968907482, https://leetcode.com/problems/integer-break
312,Burst Balloons,51.8%,Hard,0.02552786995334295, https://leetcode.com/problems/burst-balloons
220,Contains Duplicate III,20.9%,Medium,0.024876904755404577, https://leetcode.com/problems/contains-duplicate-iii
395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.024228925974379843, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
836,Rectangle Overlap,48.6%,Easy,0.024228925974379843, https://leetcode.com/problems/rectangle-overlap
221,Maximal Square,37.7%,Medium,0.022108490754203434, https://leetcode.com/problems/maximal-square
18,4Sum,33.7%,Medium,0.022011160101351537, https://leetcode.com/problems/4sum
45,Jump Game II,30.6%,Hard,0.021353124470568974, https://leetcode.com/problems/jump-game-ii
300,Longest Increasing Subsequence,42.6%,Medium,0.020893943681912164, https://leetcode.com/problems/longest-increasing-subsequence
525,Contiguous Array,42.8%,Medium,0.01975372873623256, https://leetcode.com/problems/contiguous-array
229,Majority Element II,35.6%,Medium,0.019057270410286146, https://leetcode.com/problems/majority-element-ii
146,LRU Cache,33.2%,Medium,0.01827577993873683, https://leetcode.com/problems/lru-cache
200,Number of Islands,46.8%,Medium,0.017925481766054456, https://leetcode.com/problems/number-of-islands
993,Cousins in Binary Tree,52.0%,Easy,0.017414458368636587, https://leetcode.com/problems/cousins-in-binary-tree
6,ZigZag Conversion,36.3%,Medium,0.01726827253226344, https://leetcode.com/problems/zigzag-conversion
175,Combine Two Tables,60.8%,Easy,0.017235202581487984, https://leetcode.com/problems/combine-two-tables
994,Rotting Oranges,49.2%,Medium,0.017087941897195622, https://leetcode.com/problems/rotting-oranges
389,Find the Difference,55.3%,Easy,0.016978336534417868, https://leetcode.com/problems/find-the-difference
178,Rank Scores,45.8%,Medium,0.016785958549561074, https://leetcode.com/problems/rank-scores
191,Number of 1 Bits,49.8%,Easy,0.01673523624045844, https://leetcode.com/problems/number-of-1-bits
51,N-Queens,46.6%,Hard,0.016393809775676407, https://leetcode.com/problems/n-queens
322,Coin Change,35.5%,Medium,0.016022774188122292, https://leetcode.com/problems/coin-change
204,Count Primes,31.5%,Easy,0.015842612639489526, https://leetcode.com/problems/count-primes
59,Spiral Matrix II,53.9%,Medium,0.01579187969789165, https://leetcode.com/problems/spiral-matrix-ii
238,Product of Array Except Self,60.1%,Medium,0.015629897160874744, https://leetcode.com/problems/product-of-array-except-self
561,Array Partition I,72.0%,Easy,0.015186320707985562, https://leetcode.com/problems/array-partition-i
217,Contains Duplicate,56.0%,Easy,0.015106027431013205, https://leetcode.com/problems/contains-duplicate
198,House Robber,42.0%,Easy,0.014946565030639177, https://leetcode.com/problems/house-robber
54,Spiral Matrix,34.1%,Medium,0.014776167707688753, https://leetcode.com/problems/spiral-matrix
142,Linked List Cycle II,37.3%,Medium,0.014710955064667802, https://leetcode.com/problems/linked-list-cycle-ii
41,First Missing Positive,32.0%,Hard,0.014368063266920193, https://leetcode.com/problems/first-missing-positive
315,Count of Smaller Numbers After Self,41.5%,Hard,0.014352596574956585, https://leetcode.com/problems/count-of-smaller-numbers-after-self
24,Swap Nodes in Pairs,50.4%,Medium,0.013945066390122038, https://leetcode.com/problems/swap-nodes-in-pairs
703,Kth Largest Element in a Stream,49.7%,Easy,0.013898764390814973, https://leetcode.com/problems/kth-largest-element-in-a-stream
64,Minimum Path Sum,54.5%,Medium,0.013734383449598314, https://leetcode.com/problems/minimum-path-sum
44,Wildcard Matching,24.7%,Hard,0.013703537497261858, https://leetcode.com/problems/wildcard-matching
13,Roman to Integer,55.7%,Easy,0.013645103403569418, https://leetcode.com/problems/roman-to-integer
1192,Critical Connections in a Network,48.6%,Hard,0.01352742981715631, https://leetcode.com/problems/critical-connections-in-a-network
70,Climbing Stairs,47.8%,Easy,0.013494975575004323, https://leetcode.com/problems/climbing-stairs
329,Longest Increasing Path in a Matrix,43.4%,Hard,0.013400535537482126, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
85,Maximal Rectangle,37.7%,Hard,0.013333530869465187, https://leetcode.com/problems/maximal-rectangle
344,Reverse String,68.5%,Easy,0.013014662307854044, https://leetcode.com/problems/reverse-string
137,Single Number II,52.4%,Medium,0.012527567532662891, https://leetcode.com/problems/single-number-ii
88,Merge Sorted Array,39.4%,Easy,0.011986958032982505, https://leetcode.com/problems/merge-sorted-array
543,Diameter of Binary Tree,48.4%,Easy,0.011898606798495848, https://leetcode.com/problems/diameter-of-binary-tree
987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.011601058182762062, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
1051,Height Checker,71.1%,Easy,0.011468015591641189, https://leetcode.com/problems/height-checker
48,Rotate Image,56.7%,Medium,0.011428695823622754, https://leetcode.com/problems/rotate-image
148,Sort List,42.3%,Medium,0.011204599012863078, https://leetcode.com/problems/sort-list
236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.010575891759058162, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
92,Reverse Linked List II,38.8%,Medium,0.010427623162259089, https://leetcode.com/problems/reverse-linked-list-ii
234,Palindrome Linked List,39.3%,Easy,0.010171877938733932, https://leetcode.com/problems/palindrome-linked-list
61,Rotate List,30.0%,Medium,0.009925639799969955, https://leetcode.com/problems/rotate-list
113,Path Sum II,46.7%,Medium,0.009784813879998279, https://leetcode.com/problems/path-sum-ii
387,First Unique Character in a String,53.4%,Easy,0.009392680199054166, https://leetcode.com/problems/first-unique-character-in-a-string
96,Unique Binary Search Trees,52.9%,Medium,0.009242209964820877, https://leetcode.com/problems/unique-binary-search-trees
279,Perfect Squares,47.4%,Medium,0.009216655104924008, https://leetcode.com/problems/perfect-squares
20,Valid Parentheses,39.0%,Easy,0.009170695326061695, https://leetcode.com/problems/valid-parentheses
23,Merge k Sorted Lists,40.2%,Hard,0.009092808657599025, https://leetcode.com/problems/merge-k-sorted-lists
128,Longest Consecutive Sequence,45.1%,Hard,0.009051883485315484, https://leetcode.com/problems/longest-consecutive-sequence
295,Find Median from Data Stream,44.3%,Hard,0.00899893586856953, https://leetcode.com/problems/find-median-from-data-stream
139,Word Break,40.1%,Medium,0.008741314401573542, https://leetcode.com/problems/word-break
977,Squares of a Sorted Array,72.1%,Easy,0.008733679968754604, https://leetcode.com/problems/squares-of-a-sorted-array
49,Group Anagrams,56.9%,Medium,0.008538951314232168, https://leetcode.com/problems/group-anagrams
239,Sliding Window Maximum,43.0%,Hard,0.007898935224534491, https://leetcode.com/problems/sliding-window-maximum
56,Merge Intervals,39.3%,Medium,0.007796972706004796, https://leetcode.com/problems/merge-intervals
876,Middle of the Linked List,68.4%,Easy,0.007624893975696915, https://leetcode.com/problems/middle-of-the-linked-list
240,Search a 2D Matrix II,43.2%,Medium,0.0075829747244553335, https://leetcode.com/problems/search-a-2d-matrix-ii
16,3Sum Closest,46.0%,Medium,0.0075259057003469075, https://leetcode.com/problems/3sum-closest
10,Regular Expression Matching,26.8%,Hard,0.0071865203293987245, https://leetcode.com/problems/regular-expression-matching
1365,How Many Numbers Are Smaller Than the Current Number,85.6%,Easy,0.007109877088701047, https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number
110,Balanced Binary Tree,43.5%,Easy,0.007027435807456887, https://leetcode.com/problems/balanced-binary-tree
73,Set Matrix Zeroes,43.1%,Medium,0.0070151111959223245, https://leetcode.com/problems/set-matrix-zeroes
114,Flatten Binary Tree to Linked List,49.3%,Medium,0.006896579059060353, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
118,Pascal's Triangle,52.5%,Easy,0.006749941254175012, https://leetcode.com/problems/pascals-triangle
83,Remove Duplicates from Sorted List,45.4%,Easy,0.006353261522609498, https://leetcode.com/problems/remove-duplicates-from-sorted-list
91,Decode Ways,24.7%,Medium,0.005968385368349129, https://leetcode.com/problems/decode-ways
152,Maximum Product Subarray,31.7%,Medium,0.005590510716885066, https://leetcode.com/problems/maximum-product-subarray
287,Find the Duplicate Number,55.5%,Medium,0.005501320434837602, https://leetcode.com/problems/find-the-duplicate-number
112,Path Sum,41.2%,Easy,0.00546972510956646, https://leetcode.com/problems/path-sum
278,First Bad Version,35.7%,Easy,0.005391575265790431, https://leetcode.com/problems/first-bad-version
237,Delete Node in a Linked List,63.8%,Easy,0.005144705881237697, https://leetcode.com/problems/delete-node-in-a-linked-list
155,Min Stack,44.5%,Easy,0.00474891074128171, https://leetcode.com/problems/min-stack
169,Majority Element,58.7%,Easy,0.004706444738837472, https://leetcode.com/problems/majority-element
35,Search Insert Position,42.6%,Easy,0.004646848510375352, https://leetcode.com/problems/search-insert-position
1470,Shuffle the Array,88.9%,Easy,0.004527967890154029, https://leetcode.com/problems/shuffle-the-array
125,Valid Palindrome,36.7%,Easy,0.0039805008274065926, https://leetcode.com/problems/valid-palindrome
215,Kth Largest Element in an Array,55.4%,Medium,0.003902443976931749, https://leetcode.com/problems/kth-largest-element-in-an-array
8,String to Integer (atoi),15.4%,Medium,0.0037925521897059712, https://leetcode.com/problems/string-to-integer-atoi
141,Linked List Cycle,41.1%,Easy,0.0034937584669245472, https://leetcode.com/problems/linked-list-cycle
101,Symmetric Tree,46.8%,Easy,0.0034057078469827435, https://leetcode.com/problems/symmetric-tree
14,Longest Common Prefix,35.4%,Easy,0.003320331762984143, https://leetcode.com/problems/longest-common-prefix
66,Plus One,43.0%,Easy,0.00326211347832938, https://leetcode.com/problems/plus-one
33,Search in Rotated Sorted Array,34.5%,Medium,0.003229976968332634, https://leetcode.com/problems/search-in-rotated-sorted-array
9,Palindrome Number,48.4%,Easy,0.0030379001110948244, https://leetcode.com/problems/palindrome-number
98,Validate Binary Search Tree,27.8%,Medium,0.002943776044013381, https://leetcode.com/problems/validate-binary-search-tree
104,Maximum Depth of Binary Tree,66.0%,Easy,0.002787846801433134, https://leetcode.com/problems/maximum-depth-of-binary-tree
121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0021239321954525975, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
26,Remove Duplicates from Sorted Array,45.1%,Easy,0.0019513153174351963, https://leetcode.com/problems/remove-duplicates-from-sorted-array
79,Word Search,35.6%,Medium,0.0016647248725526849, https://leetcode.com/problems/word-search
1 1 ID Two Sum Title 45.6% Acceptance Easy Difficulty 0.3464144405513164 Frequency https://leetcode.com/problems/two-sum Leetcode Question Link
2 2 1 Add Two Numbers Two Sum 33.9% 45.6% Medium Easy 0.303844163691924 0.3464144405513164 https://leetcode.com/problems/add-two-numbers https://leetcode.com/problems/two-sum
3 21 2 Merge Two Sorted Lists Add Two Numbers 53.5% 33.9% Easy Medium 0.2612738868325316 0.303844163691924 https://leetcode.com/problems/merge-two-sorted-lists https://leetcode.com/problems/add-two-numbers
4 1096 21 Brace Expansion II Merge Two Sorted Lists 62.2% 53.5% Hard Easy 0.2363887780642304 0.2612738868325316 https://leetcode.com/problems/brace-expansion-ii https://leetcode.com/problems/merge-two-sorted-lists
5 741 1096 Cherry Pickup Brace Expansion II 33.9% 62.2% Hard Hard 0.20909179785855941 0.2363887780642304 https://leetcode.com/problems/cherry-pickup https://leetcode.com/problems/brace-expansion-ii
6 5 741 Longest Palindromic Substring Cherry Pickup 29.5% 33.9% Medium Hard 0.18726302339313927 0.20909179785855941 https://leetcode.com/problems/longest-palindromic-substring https://leetcode.com/problems/cherry-pickup
7 3 5 Longest Substring Without Repeating Characters Longest Palindromic Substring 30.4% 29.5% Medium Medium 0.14469274653374686 0.18726302339313927 https://leetcode.com/problems/longest-substring-without-repeating-characters https://leetcode.com/problems/longest-palindromic-substring
8 82 3 Remove Duplicates from Sorted List II Longest Substring Without Repeating Characters 36.8% 30.4% Medium Medium 0.1110882064011508 0.14469274653374686 https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii https://leetcode.com/problems/longest-substring-without-repeating-characters
9 274 82 H-Index Remove Duplicates from Sorted List II 36.1% 36.8% Medium Medium 0.07416907257227875 0.1110882064011508 https://leetcode.com/problems/h-index https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
10 706 274 Design HashMap H-Index 61.3% 36.1% Easy Medium 0.0683442674369718 0.07416907257227875 https://leetcode.com/problems/design-hashmap https://leetcode.com/problems/h-index
11 22 706 Generate Parentheses Design HashMap 62.7% 61.3% Medium Easy 0.06759329113252818 0.0683442674369718 https://leetcode.com/problems/generate-parentheses https://leetcode.com/problems/design-hashmap
12 115 22 Distinct Subsequences Generate Parentheses 38.3% 62.7% Hard Medium 0.061494781607806234 0.06759329113252818 https://leetcode.com/problems/distinct-subsequences https://leetcode.com/problems/generate-parentheses
13 739 115 Daily Temperatures Distinct Subsequences 63.3% 38.3% Medium Hard 0.06111383323222972 0.061494781607806234 https://leetcode.com/problems/daily-temperatures https://leetcode.com/problems/distinct-subsequences
14 420 739 Strong Password Checker Daily Temperatures 14.0% 63.3% Hard Medium 0.061087691979838175 0.06111383323222972 https://leetcode.com/problems/strong-password-checker https://leetcode.com/problems/daily-temperatures
15 218 420 The Skyline Problem Strong Password Checker 34.6% 14.0% Hard Hard 0.0564413109049518 0.061087691979838175 https://leetcode.com/problems/the-skyline-problem https://leetcode.com/problems/strong-password-checker
16 76 218 Minimum Window Substring The Skyline Problem 34.6% 34.6% Hard Hard 0.05473322196089386 0.0564413109049518 https://leetcode.com/problems/minimum-window-substring https://leetcode.com/problems/the-skyline-problem
17 728 76 Self Dividing Numbers Minimum Window Substring 74.3% 34.6% Easy Hard 0.054658412537864055 0.05473322196089386 https://leetcode.com/problems/self-dividing-numbers https://leetcode.com/problems/minimum-window-substring
18 15 728 3Sum Self Dividing Numbers 26.8% 74.3% Medium Easy 0.05357467464947331 0.054658412537864055 https://leetcode.com/problems/3sum https://leetcode.com/problems/self-dividing-numbers
19 206 15 Reverse Linked List 3Sum 62.5% 26.8% Easy Medium 0.046346967254127305 0.05357467464947331 https://leetcode.com/problems/reverse-linked-list https://leetcode.com/problems/3sum
20 725 206 Split Linked List in Parts Reverse Linked List 52.2% 62.5% Medium Easy 0.04603804920255727 0.046346967254127305 https://leetcode.com/problems/split-linked-list-in-parts https://leetcode.com/problems/reverse-linked-list
21 53 725 Maximum Subarray Split Linked List in Parts 46.5% 52.2% Easy Medium 0.04299340685592046 0.04603804920255727 https://leetcode.com/problems/maximum-subarray https://leetcode.com/problems/split-linked-list-in-parts
22 37 53 Sudoku Solver Maximum Subarray 43.6% 46.5% Hard Easy 0.040527833612118376 0.04299340685592046 https://leetcode.com/problems/sudoku-solver https://leetcode.com/problems/maximum-subarray
23 25 37 Reverse Nodes in k-Group Sudoku Solver 42.1% 43.6% Hard Hard 0.040236757867738004 0.040527833612118376 https://leetcode.com/problems/reverse-nodes-in-k-group https://leetcode.com/problems/sudoku-solver
24 202 25 Happy Number Reverse Nodes in k-Group 50.4% 42.1% Easy Hard 0.03853744444187023 0.040236757867738004 https://leetcode.com/problems/happy-number https://leetcode.com/problems/reverse-nodes-in-k-group
25 42 202 Trapping Rain Water Happy Number 48.9% 50.4% Hard Easy 0.038490960607653675 0.03853744444187023 https://leetcode.com/problems/trapping-rain-water https://leetcode.com/problems/happy-number
26 560 42 Subarray Sum Equals K Trapping Rain Water 43.9% 48.9% Medium Hard 0.037871360699521406 0.038490960607653675 https://leetcode.com/problems/subarray-sum-equals-k https://leetcode.com/problems/trapping-rain-water
27 7 560 Reverse Integer Subarray Sum Equals K 25.8% 43.9% Easy Medium 0.03703110993069894 0.037871360699521406 https://leetcode.com/problems/reverse-integer https://leetcode.com/problems/subarray-sum-equals-k
28 31 7 Next Permutation Reverse Integer 32.6% 25.8% Medium Easy 0.03686102113159897 0.03703110993069894 https://leetcode.com/problems/next-permutation https://leetcode.com/problems/reverse-integer
29 74 31 Search a 2D Matrix Next Permutation 36.5% 32.6% Medium Medium 0.03685354875882915 0.03686102113159897 https://leetcode.com/problems/search-a-2d-matrix https://leetcode.com/problems/next-permutation
30 4 74 Median of Two Sorted Arrays Search a 2D Matrix 29.6% 36.5% Hard Medium 0.034565653112280895 0.03685354875882915 https://leetcode.com/problems/median-of-two-sorted-arrays https://leetcode.com/problems/search-a-2d-matrix
31 214 4 Shortest Palindrome Median of Two Sorted Arrays 29.8% 29.6% Hard Hard 0.03419136474827932 0.034565653112280895 https://leetcode.com/problems/shortest-palindrome https://leetcode.com/problems/median-of-two-sorted-arrays
32 12 214 Integer to Roman Shortest Palindrome 55.1% 29.8% Medium Hard 0.03370158881097552 0.03419136474827932 https://leetcode.com/problems/integer-to-roman https://leetcode.com/problems/shortest-palindrome
33 617 12 Merge Two Binary Trees Integer to Roman 74.1% 55.1% Easy Medium 0.03264929866766111 0.03370158881097552 https://leetcode.com/problems/merge-two-binary-trees https://leetcode.com/problems/integer-to-roman
34 1114 617 Print in Order Merge Two Binary Trees 65.7% 74.1% Easy Easy 0.0317486983145803 0.03264929866766111 https://leetcode.com/problems/print-in-order https://leetcode.com/problems/merge-two-binary-trees
35 55 1114 Jump Game Print in Order 34.6% 65.7% Medium Easy 0.030985252381807864 0.0317486983145803 https://leetcode.com/problems/jump-game https://leetcode.com/problems/print-in-order
36 368 55 Largest Divisible Subset Jump Game 38.0% 34.6% Medium Medium 0.030351343424138456 0.030985252381807864 https://leetcode.com/problems/largest-divisible-subset https://leetcode.com/problems/jump-game
37 176 368 Second Highest Salary Largest Divisible Subset 31.6% 38.0% Easy Medium 0.029252542837437355 0.030351343424138456 https://leetcode.com/problems/second-highest-salary https://leetcode.com/problems/largest-divisible-subset
38 1108 176 Defanging an IP Address Second Highest Salary 87.5% 31.6% Easy Easy 0.02901382119071579 0.029252542837437355 https://leetcode.com/problems/defanging-an-ip-address https://leetcode.com/problems/second-highest-salary
39 219 1108 Contains Duplicate II Defanging an IP Address 37.7% 87.5% Easy Easy 0.028500979167549973 0.02901382119071579 https://leetcode.com/problems/contains-duplicate-ii https://leetcode.com/problems/defanging-an-ip-address
40 11 219 Container With Most Water Contains Duplicate II 50.8% 37.7% Medium Easy 0.02727648457622222 0.028500979167549973 https://leetcode.com/problems/container-with-most-water https://leetcode.com/problems/contains-duplicate-ii
41 343 11 Integer Break Container With Most Water 50.4% 50.8% Medium Medium 0.027157133968907482 0.02727648457622222 https://leetcode.com/problems/integer-break https://leetcode.com/problems/container-with-most-water
42 312 343 Burst Balloons Integer Break 51.8% 50.4% Hard Medium 0.02552786995334295 0.027157133968907482 https://leetcode.com/problems/burst-balloons https://leetcode.com/problems/integer-break
43 220 312 Contains Duplicate III Burst Balloons 20.9% 51.8% Medium Hard 0.024876904755404577 0.02552786995334295 https://leetcode.com/problems/contains-duplicate-iii https://leetcode.com/problems/burst-balloons
44 395 220 Longest Substring with At Least K Repeating Characters Contains Duplicate III 41.4% 20.9% Medium Medium 0.024228925974379843 0.024876904755404577 https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters https://leetcode.com/problems/contains-duplicate-iii
45 836 395 Rectangle Overlap Longest Substring with At Least K Repeating Characters 48.6% 41.4% Easy Medium 0.024228925974379843 0.024228925974379843 https://leetcode.com/problems/rectangle-overlap https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
46 221 836 Maximal Square Rectangle Overlap 37.7% 48.6% Medium Easy 0.022108490754203434 0.024228925974379843 https://leetcode.com/problems/maximal-square https://leetcode.com/problems/rectangle-overlap
47 18 221 4Sum Maximal Square 33.7% 37.7% Medium Medium 0.022011160101351537 0.022108490754203434 https://leetcode.com/problems/4sum https://leetcode.com/problems/maximal-square
48 45 18 Jump Game II 4Sum 30.6% 33.7% Hard Medium 0.021353124470568974 0.022011160101351537 https://leetcode.com/problems/jump-game-ii https://leetcode.com/problems/4sum
49 300 45 Longest Increasing Subsequence Jump Game II 42.6% 30.6% Medium Hard 0.020893943681912164 0.021353124470568974 https://leetcode.com/problems/longest-increasing-subsequence https://leetcode.com/problems/jump-game-ii
50 525 300 Contiguous Array Longest Increasing Subsequence 42.8% 42.6% Medium Medium 0.01975372873623256 0.020893943681912164 https://leetcode.com/problems/contiguous-array https://leetcode.com/problems/longest-increasing-subsequence
51 229 525 Majority Element II Contiguous Array 35.6% 42.8% Medium Medium 0.019057270410286146 0.01975372873623256 https://leetcode.com/problems/majority-element-ii https://leetcode.com/problems/contiguous-array
52 146 229 LRU Cache Majority Element II 33.2% 35.6% Medium Medium 0.01827577993873683 0.019057270410286146 https://leetcode.com/problems/lru-cache https://leetcode.com/problems/majority-element-ii
53 200 146 Number of Islands LRU Cache 46.8% 33.2% Medium Medium 0.017925481766054456 0.01827577993873683 https://leetcode.com/problems/number-of-islands https://leetcode.com/problems/lru-cache
54 993 200 Cousins in Binary Tree Number of Islands 52.0% 46.8% Easy Medium 0.017414458368636587 0.017925481766054456 https://leetcode.com/problems/cousins-in-binary-tree https://leetcode.com/problems/number-of-islands
55 6 993 ZigZag Conversion Cousins in Binary Tree 36.3% 52.0% Medium Easy 0.01726827253226344 0.017414458368636587 https://leetcode.com/problems/zigzag-conversion https://leetcode.com/problems/cousins-in-binary-tree
56 175 6 Combine Two Tables ZigZag Conversion 60.8% 36.3% Easy Medium 0.017235202581487984 0.01726827253226344 https://leetcode.com/problems/combine-two-tables https://leetcode.com/problems/zigzag-conversion
57 994 175 Rotting Oranges Combine Two Tables 49.2% 60.8% Medium Easy 0.017087941897195622 0.017235202581487984 https://leetcode.com/problems/rotting-oranges https://leetcode.com/problems/combine-two-tables
58 389 994 Find the Difference Rotting Oranges 55.3% 49.2% Easy Medium 0.016978336534417868 0.017087941897195622 https://leetcode.com/problems/find-the-difference https://leetcode.com/problems/rotting-oranges
59 178 389 Rank Scores Find the Difference 45.8% 55.3% Medium Easy 0.016785958549561074 0.016978336534417868 https://leetcode.com/problems/rank-scores https://leetcode.com/problems/find-the-difference
60 191 178 Number of 1 Bits Rank Scores 49.8% 45.8% Easy Medium 0.01673523624045844 0.016785958549561074 https://leetcode.com/problems/number-of-1-bits https://leetcode.com/problems/rank-scores
61 51 191 N-Queens Number of 1 Bits 46.6% 49.8% Hard Easy 0.016393809775676407 0.01673523624045844 https://leetcode.com/problems/n-queens https://leetcode.com/problems/number-of-1-bits
62 322 51 Coin Change N-Queens 35.5% 46.6% Medium Hard 0.016022774188122292 0.016393809775676407 https://leetcode.com/problems/coin-change https://leetcode.com/problems/n-queens
63 204 322 Count Primes Coin Change 31.5% 35.5% Easy Medium 0.015842612639489526 0.016022774188122292 https://leetcode.com/problems/count-primes https://leetcode.com/problems/coin-change
64 59 204 Spiral Matrix II Count Primes 53.9% 31.5% Medium Easy 0.01579187969789165 0.015842612639489526 https://leetcode.com/problems/spiral-matrix-ii https://leetcode.com/problems/count-primes
65 238 59 Product of Array Except Self Spiral Matrix II 60.1% 53.9% Medium Medium 0.015629897160874744 0.01579187969789165 https://leetcode.com/problems/product-of-array-except-self https://leetcode.com/problems/spiral-matrix-ii
66 561 238 Array Partition I Product of Array Except Self 72.0% 60.1% Easy Medium 0.015186320707985562 0.015629897160874744 https://leetcode.com/problems/array-partition-i https://leetcode.com/problems/product-of-array-except-self
67 217 561 Contains Duplicate Array Partition I 56.0% 72.0% Easy Easy 0.015106027431013205 0.015186320707985562 https://leetcode.com/problems/contains-duplicate https://leetcode.com/problems/array-partition-i
68 198 217 House Robber Contains Duplicate 42.0% 56.0% Easy Easy 0.014946565030639177 0.015106027431013205 https://leetcode.com/problems/house-robber https://leetcode.com/problems/contains-duplicate
69 54 198 Spiral Matrix House Robber 34.1% 42.0% Medium Easy 0.014776167707688753 0.014946565030639177 https://leetcode.com/problems/spiral-matrix https://leetcode.com/problems/house-robber
70 142 54 Linked List Cycle II Spiral Matrix 37.3% 34.1% Medium Medium 0.014710955064667802 0.014776167707688753 https://leetcode.com/problems/linked-list-cycle-ii https://leetcode.com/problems/spiral-matrix
71 41 142 First Missing Positive Linked List Cycle II 32.0% 37.3% Hard Medium 0.014368063266920193 0.014710955064667802 https://leetcode.com/problems/first-missing-positive https://leetcode.com/problems/linked-list-cycle-ii
72 315 41 Count of Smaller Numbers After Self First Missing Positive 41.5% 32.0% Hard Hard 0.014352596574956585 0.014368063266920193 https://leetcode.com/problems/count-of-smaller-numbers-after-self https://leetcode.com/problems/first-missing-positive
73 24 315 Swap Nodes in Pairs Count of Smaller Numbers After Self 50.4% 41.5% Medium Hard 0.013945066390122038 0.014352596574956585 https://leetcode.com/problems/swap-nodes-in-pairs https://leetcode.com/problems/count-of-smaller-numbers-after-self
74 703 24 Kth Largest Element in a Stream Swap Nodes in Pairs 49.7% 50.4% Easy Medium 0.013898764390814973 0.013945066390122038 https://leetcode.com/problems/kth-largest-element-in-a-stream https://leetcode.com/problems/swap-nodes-in-pairs
75 64 703 Minimum Path Sum Kth Largest Element in a Stream 54.5% 49.7% Medium Easy 0.013734383449598314 0.013898764390814973 https://leetcode.com/problems/minimum-path-sum https://leetcode.com/problems/kth-largest-element-in-a-stream
76 44 64 Wildcard Matching Minimum Path Sum 24.7% 54.5% Hard Medium 0.013703537497261858 0.013734383449598314 https://leetcode.com/problems/wildcard-matching https://leetcode.com/problems/minimum-path-sum
77 13 44 Roman to Integer Wildcard Matching 55.7% 24.7% Easy Hard 0.013645103403569418 0.013703537497261858 https://leetcode.com/problems/roman-to-integer https://leetcode.com/problems/wildcard-matching
78 1192 13 Critical Connections in a Network Roman to Integer 48.6% 55.7% Hard Easy 0.01352742981715631 0.013645103403569418 https://leetcode.com/problems/critical-connections-in-a-network https://leetcode.com/problems/roman-to-integer
79 70 1192 Climbing Stairs Critical Connections in a Network 47.8% 48.6% Easy Hard 0.013494975575004323 0.01352742981715631 https://leetcode.com/problems/climbing-stairs https://leetcode.com/problems/critical-connections-in-a-network
80 329 70 Longest Increasing Path in a Matrix Climbing Stairs 43.4% 47.8% Hard Easy 0.013400535537482126 0.013494975575004323 https://leetcode.com/problems/longest-increasing-path-in-a-matrix https://leetcode.com/problems/climbing-stairs
81 85 329 Maximal Rectangle Longest Increasing Path in a Matrix 37.7% 43.4% Hard Hard 0.013333530869465187 0.013400535537482126 https://leetcode.com/problems/maximal-rectangle https://leetcode.com/problems/longest-increasing-path-in-a-matrix
82 344 85 Reverse String Maximal Rectangle 68.5% 37.7% Easy Hard 0.013014662307854044 0.013333530869465187 https://leetcode.com/problems/reverse-string https://leetcode.com/problems/maximal-rectangle
83 137 344 Single Number II Reverse String 52.4% 68.5% Medium Easy 0.012527567532662891 0.013014662307854044 https://leetcode.com/problems/single-number-ii https://leetcode.com/problems/reverse-string
84 88 137 Merge Sorted Array Single Number II 39.4% 52.4% Easy Medium 0.011986958032982505 0.012527567532662891 https://leetcode.com/problems/merge-sorted-array https://leetcode.com/problems/single-number-ii
85 543 88 Diameter of Binary Tree Merge Sorted Array 48.4% 39.4% Easy Easy 0.011898606798495848 0.011986958032982505 https://leetcode.com/problems/diameter-of-binary-tree https://leetcode.com/problems/merge-sorted-array
86 987 543 Vertical Order Traversal of a Binary Tree Diameter of Binary Tree 36.6% 48.4% Medium Easy 0.011601058182762062 0.011898606798495848 https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree https://leetcode.com/problems/diameter-of-binary-tree
87 1051 987 Height Checker Vertical Order Traversal of a Binary Tree 71.1% 36.6% Easy Medium 0.011468015591641189 0.011601058182762062 https://leetcode.com/problems/height-checker https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
88 48 1051 Rotate Image Height Checker 56.7% 71.1% Medium Easy 0.011428695823622754 0.011468015591641189 https://leetcode.com/problems/rotate-image https://leetcode.com/problems/height-checker
89 148 48 Sort List Rotate Image 42.3% 56.7% Medium Medium 0.011204599012863078 0.011428695823622754 https://leetcode.com/problems/sort-list https://leetcode.com/problems/rotate-image
90 236 148 Lowest Common Ancestor of a Binary Tree Sort List 45.7% 42.3% Medium Medium 0.010575891759058162 0.011204599012863078 https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree https://leetcode.com/problems/sort-list
91 92 236 Reverse Linked List II Lowest Common Ancestor of a Binary Tree 38.8% 45.7% Medium Medium 0.010427623162259089 0.010575891759058162 https://leetcode.com/problems/reverse-linked-list-ii https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
92 234 92 Palindrome Linked List Reverse Linked List II 39.3% 38.8% Easy Medium 0.010171877938733932 0.010427623162259089 https://leetcode.com/problems/palindrome-linked-list https://leetcode.com/problems/reverse-linked-list-ii
93 61 234 Rotate List Palindrome Linked List 30.0% 39.3% Medium Easy 0.009925639799969955 0.010171877938733932 https://leetcode.com/problems/rotate-list https://leetcode.com/problems/palindrome-linked-list
94 113 61 Path Sum II Rotate List 46.7% 30.0% Medium Medium 0.009784813879998279 0.009925639799969955 https://leetcode.com/problems/path-sum-ii https://leetcode.com/problems/rotate-list
95 387 113 First Unique Character in a String Path Sum II 53.4% 46.7% Easy Medium 0.009392680199054166 0.009784813879998279 https://leetcode.com/problems/first-unique-character-in-a-string https://leetcode.com/problems/path-sum-ii
96 96 387 Unique Binary Search Trees First Unique Character in a String 52.9% 53.4% Medium Easy 0.009242209964820877 0.009392680199054166 https://leetcode.com/problems/unique-binary-search-trees https://leetcode.com/problems/first-unique-character-in-a-string
97 279 96 Perfect Squares Unique Binary Search Trees 47.4% 52.9% Medium Medium 0.009216655104924008 0.009242209964820877 https://leetcode.com/problems/perfect-squares https://leetcode.com/problems/unique-binary-search-trees
98 20 279 Valid Parentheses Perfect Squares 39.0% 47.4% Easy Medium 0.009170695326061695 0.009216655104924008 https://leetcode.com/problems/valid-parentheses https://leetcode.com/problems/perfect-squares
99 23 20 Merge k Sorted Lists Valid Parentheses 40.2% 39.0% Hard Easy 0.009092808657599025 0.009170695326061695 https://leetcode.com/problems/merge-k-sorted-lists https://leetcode.com/problems/valid-parentheses
100 128 23 Longest Consecutive Sequence Merge k Sorted Lists 45.1% 40.2% Hard Hard 0.009051883485315484 0.009092808657599025 https://leetcode.com/problems/longest-consecutive-sequence https://leetcode.com/problems/merge-k-sorted-lists
101 295 128 Find Median from Data Stream Longest Consecutive Sequence 44.3% 45.1% Hard Hard 0.00899893586856953 0.009051883485315484 https://leetcode.com/problems/find-median-from-data-stream https://leetcode.com/problems/longest-consecutive-sequence
102 139 295 Word Break Find Median from Data Stream 40.1% 44.3% Medium Hard 0.008741314401573542 0.00899893586856953 https://leetcode.com/problems/word-break https://leetcode.com/problems/find-median-from-data-stream
103 977 139 Squares of a Sorted Array Word Break 72.1% 40.1% Easy Medium 0.008733679968754604 0.008741314401573542 https://leetcode.com/problems/squares-of-a-sorted-array https://leetcode.com/problems/word-break
104 49 977 Group Anagrams Squares of a Sorted Array 56.9% 72.1% Medium Easy 0.008538951314232168 0.008733679968754604 https://leetcode.com/problems/group-anagrams https://leetcode.com/problems/squares-of-a-sorted-array
105 239 49 Sliding Window Maximum Group Anagrams 43.0% 56.9% Hard Medium 0.007898935224534491 0.008538951314232168 https://leetcode.com/problems/sliding-window-maximum https://leetcode.com/problems/group-anagrams
106 56 239 Merge Intervals Sliding Window Maximum 39.3% 43.0% Medium Hard 0.007796972706004796 0.007898935224534491 https://leetcode.com/problems/merge-intervals https://leetcode.com/problems/sliding-window-maximum
107 876 56 Middle of the Linked List Merge Intervals 68.4% 39.3% Easy Medium 0.007624893975696915 0.007796972706004796 https://leetcode.com/problems/middle-of-the-linked-list https://leetcode.com/problems/merge-intervals
108 240 876 Search a 2D Matrix II Middle of the Linked List 43.2% 68.4% Medium Easy 0.0075829747244553335 0.007624893975696915 https://leetcode.com/problems/search-a-2d-matrix-ii https://leetcode.com/problems/middle-of-the-linked-list
109 16 240 3Sum Closest Search a 2D Matrix II 46.0% 43.2% Medium Medium 0.0075259057003469075 0.0075829747244553335 https://leetcode.com/problems/3sum-closest https://leetcode.com/problems/search-a-2d-matrix-ii
110 10 16 Regular Expression Matching 3Sum Closest 26.8% 46.0% Hard Medium 0.0071865203293987245 0.0075259057003469075 https://leetcode.com/problems/regular-expression-matching https://leetcode.com/problems/3sum-closest
111 1365 10 How Many Numbers Are Smaller Than the Current Number Regular Expression Matching 85.6% 26.8% Easy Hard 0.007109877088701047 0.0071865203293987245 https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number https://leetcode.com/problems/regular-expression-matching
112 110 1365 Balanced Binary Tree How Many Numbers Are Smaller Than the Current Number 43.5% 85.6% Easy Easy 0.007027435807456887 0.007109877088701047 https://leetcode.com/problems/balanced-binary-tree https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number
113 73 110 Set Matrix Zeroes Balanced Binary Tree 43.1% 43.5% Medium Easy 0.0070151111959223245 0.007027435807456887 https://leetcode.com/problems/set-matrix-zeroes https://leetcode.com/problems/balanced-binary-tree
114 114 73 Flatten Binary Tree to Linked List Set Matrix Zeroes 49.3% 43.1% Medium Medium 0.006896579059060353 0.0070151111959223245 https://leetcode.com/problems/flatten-binary-tree-to-linked-list https://leetcode.com/problems/set-matrix-zeroes
115 118 114 Pascal's Triangle Flatten Binary Tree to Linked List 52.5% 49.3% Easy Medium 0.006749941254175012 0.006896579059060353 https://leetcode.com/problems/pascals-triangle https://leetcode.com/problems/flatten-binary-tree-to-linked-list
116 83 118 Remove Duplicates from Sorted List Pascal's Triangle 45.4% 52.5% Easy Easy 0.006353261522609498 0.006749941254175012 https://leetcode.com/problems/remove-duplicates-from-sorted-list https://leetcode.com/problems/pascals-triangle
117 91 83 Decode Ways Remove Duplicates from Sorted List 24.7% 45.4% Medium Easy 0.005968385368349129 0.006353261522609498 https://leetcode.com/problems/decode-ways https://leetcode.com/problems/remove-duplicates-from-sorted-list
118 152 91 Maximum Product Subarray Decode Ways 31.7% 24.7% Medium Medium 0.005590510716885066 0.005968385368349129 https://leetcode.com/problems/maximum-product-subarray https://leetcode.com/problems/decode-ways
119 287 152 Find the Duplicate Number Maximum Product Subarray 55.5% 31.7% Medium Medium 0.005501320434837602 0.005590510716885066 https://leetcode.com/problems/find-the-duplicate-number https://leetcode.com/problems/maximum-product-subarray
120 112 287 Path Sum Find the Duplicate Number 41.2% 55.5% Easy Medium 0.00546972510956646 0.005501320434837602 https://leetcode.com/problems/path-sum https://leetcode.com/problems/find-the-duplicate-number
121 278 112 First Bad Version Path Sum 35.7% 41.2% Easy Easy 0.005391575265790431 0.00546972510956646 https://leetcode.com/problems/first-bad-version https://leetcode.com/problems/path-sum
122 237 278 Delete Node in a Linked List First Bad Version 63.8% 35.7% Easy Easy 0.005144705881237697 0.005391575265790431 https://leetcode.com/problems/delete-node-in-a-linked-list https://leetcode.com/problems/first-bad-version
123 155 237 Min Stack Delete Node in a Linked List 44.5% 63.8% Easy Easy 0.00474891074128171 0.005144705881237697 https://leetcode.com/problems/min-stack https://leetcode.com/problems/delete-node-in-a-linked-list
124 169 155 Majority Element Min Stack 58.7% 44.5% Easy Easy 0.004706444738837472 0.00474891074128171 https://leetcode.com/problems/majority-element https://leetcode.com/problems/min-stack
125 35 169 Search Insert Position Majority Element 42.6% 58.7% Easy Easy 0.004646848510375352 0.004706444738837472 https://leetcode.com/problems/search-insert-position https://leetcode.com/problems/majority-element
126 1470 35 Shuffle the Array Search Insert Position 88.9% 42.6% Easy Easy 0.004527967890154029 0.004646848510375352 https://leetcode.com/problems/shuffle-the-array https://leetcode.com/problems/search-insert-position
127 125 1470 Valid Palindrome Shuffle the Array 36.7% 88.9% Easy Easy 0.0039805008274065926 0.004527967890154029 https://leetcode.com/problems/valid-palindrome https://leetcode.com/problems/shuffle-the-array
128 215 125 Kth Largest Element in an Array Valid Palindrome 55.4% 36.7% Medium Easy 0.003902443976931749 0.0039805008274065926 https://leetcode.com/problems/kth-largest-element-in-an-array https://leetcode.com/problems/valid-palindrome
129 8 215 String to Integer (atoi) Kth Largest Element in an Array 15.4% 55.4% Medium Medium 0.0037925521897059712 0.003902443976931749 https://leetcode.com/problems/string-to-integer-atoi https://leetcode.com/problems/kth-largest-element-in-an-array
130 141 8 Linked List Cycle String to Integer (atoi) 41.1% 15.4% Easy Medium 0.0034937584669245472 0.0037925521897059712 https://leetcode.com/problems/linked-list-cycle https://leetcode.com/problems/string-to-integer-atoi
131 101 141 Symmetric Tree Linked List Cycle 46.8% 41.1% Easy Easy 0.0034057078469827435 0.0034937584669245472 https://leetcode.com/problems/symmetric-tree https://leetcode.com/problems/linked-list-cycle
132 14 101 Longest Common Prefix Symmetric Tree 35.4% 46.8% Easy Easy 0.003320331762984143 0.0034057078469827435 https://leetcode.com/problems/longest-common-prefix https://leetcode.com/problems/symmetric-tree
133 66 14 Plus One Longest Common Prefix 43.0% 35.4% Easy Easy 0.00326211347832938 0.003320331762984143 https://leetcode.com/problems/plus-one https://leetcode.com/problems/longest-common-prefix
134 33 66 Search in Rotated Sorted Array Plus One 34.5% 43.0% Medium Easy 0.003229976968332634 0.00326211347832938 https://leetcode.com/problems/search-in-rotated-sorted-array https://leetcode.com/problems/plus-one
135 9 33 Palindrome Number Search in Rotated Sorted Array 48.4% 34.5% Easy Medium 0.0030379001110948244 0.003229976968332634 https://leetcode.com/problems/palindrome-number https://leetcode.com/problems/search-in-rotated-sorted-array
136 98 9 Validate Binary Search Tree Palindrome Number 27.8% 48.4% Medium Easy 0.002943776044013381 0.0030379001110948244 https://leetcode.com/problems/validate-binary-search-tree https://leetcode.com/problems/palindrome-number
137 104 98 Maximum Depth of Binary Tree Validate Binary Search Tree 66.0% 27.8% Easy Medium 0.002787846801433134 0.002943776044013381 https://leetcode.com/problems/maximum-depth-of-binary-tree https://leetcode.com/problems/validate-binary-search-tree
138 121 104 Best Time to Buy and Sell Stock Maximum Depth of Binary Tree 50.5% 66.0% Easy Easy 0.0021239321954525975 0.002787846801433134 https://leetcode.com/problems/best-time-to-buy-and-sell-stock https://leetcode.com/problems/maximum-depth-of-binary-tree
139 26 121 Remove Duplicates from Sorted Array Best Time to Buy and Sell Stock 45.1% 50.5% Easy Easy 0.0019513153174351963 0.0021239321954525975 https://leetcode.com/problems/remove-duplicates-from-sorted-array https://leetcode.com/problems/best-time-to-buy-and-sell-stock
140 79 26 Word Search Remove Duplicates from Sorted Array 35.6% 45.1% Medium Easy 0.0016647248725526849 0.0019513153174351963 https://leetcode.com/problems/word-search https://leetcode.com/problems/remove-duplicates-from-sorted-array
141 79 Word Search 35.6% Medium 0.0016647248725526849 https://leetcode.com/problems/word-search