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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

177
snapchat_alltime.csv
View File

@@ -1,88 +1,89 @@
296,Best Meeting Point,57.5%,Hard,1.0585568181106577, https://leetcode.com/problems/best-meeting-point
146,LRU Cache,33.2%,Medium,0.9412050074721253, https://leetcode.com/problems/lru-cache
212,Word Search II,34.9%,Hard,0.7871523471289301, https://leetcode.com/problems/word-search-ii
68,Text Justification,27.7%,Hard,0.7812966622905007, https://leetcode.com/problems/text-justification
527,Word Abbreviation,54.3%,Hard,0.7435780341868372, https://leetcode.com/problems/word-abbreviation
36,Valid Sudoku,48.7%,Medium,0.589525373843642, https://leetcode.com/problems/valid-sudoku
772,Basic Calculator III,41.3%,Hard,0.5881497072005337, https://leetcode.com/problems/basic-calculator-iii
439,Ternary Expression Parser,55.9%,Medium,0.5705448584676129, https://leetcode.com/problems/ternary-expression-parser
253,Meeting Rooms II,45.7%,Medium,0.5493362897220211, https://leetcode.com/problems/meeting-rooms-ii
332,Reconstruct Itinerary,36.7%,Medium,0.5180020277364334, https://leetcode.com/problems/reconstruct-itinerary
403,Frog Jump,39.7%,Hard,0.504766595745896, https://leetcode.com/problems/frog-jump
289,Game of Life,54.5%,Medium,0.48802506022625414, https://leetcode.com/problems/game-of-life
317,Shortest Distance from All Buildings,41.4%,Hard,0.4817811959810462, https://leetcode.com/problems/shortest-distance-from-all-buildings
127,Word Ladder,29.6%,Medium,0.4325804000994867, https://leetcode.com/problems/word-ladder
227,Basic Calculator II,36.9%,Medium,0.4233944910226638, https://leetcode.com/problems/basic-calculator-ii
139,Word Break,40.1%,Medium,0.32945181788981065, https://leetcode.com/problems/word-break
460,LFU Cache,34.2%,Hard,0.3258590625960574, https://leetcode.com/problems/lfu-cache
224,Basic Calculator,36.8%,Hard,0.291910408561302, https://leetcode.com/problems/basic-calculator
37,Sudoku Solver,43.6%,Hard,0.2578291093020998, https://leetcode.com/problems/sudoku-solver
415,Add Strings,47.5%,Easy,0.24230382668402778, https://leetcode.com/problems/add-strings
269,Alien Dictionary,33.3%,Hard,0.2306743801916798, https://leetcode.com/problems/alien-dictionary
635,Design Log Storage System,58.6%,Medium,0.22440062250426088, https://leetcode.com/problems/design-log-storage-system
161,One Edit Distance,32.3%,Medium,0.20769707317771804, https://leetcode.com/problems/one-edit-distance
295,Find Median from Data Stream,44.3%,Hard,0.2037476209666304, https://leetcode.com/problems/find-median-from-data-stream
200,Number of Islands,46.8%,Medium,0.1699216454242077, https://leetcode.com/problems/number-of-islands
632,Smallest Range Covering Elements from K Lists,52.4%,Hard,0.15283920422944758, https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
169,Majority Element,58.7%,Easy,0.13339870308100113, https://leetcode.com/problems/majority-element
839,Similar String Groups,38.6%,Hard,0.11934675763256619, https://leetcode.com/problems/similar-string-groups
79,Word Search,35.6%,Medium,0.11366482626329145, https://leetcode.com/problems/word-search
140,Word Break II,32.6%,Hard,0.10843250681427455, https://leetcode.com/problems/word-break-ii
311,Sparse Matrix Multiplication,61.9%,Medium,0.10648348040245009, https://leetcode.com/problems/sparse-matrix-multiplication
42,Trapping Rain Water,48.9%,Hard,0.10346205022559302, https://leetcode.com/problems/trapping-rain-water
54,Spiral Matrix,34.1%,Medium,0.10061889164064056, https://leetcode.com/problems/spiral-matrix
282,Expression Add Operators,35.5%,Hard,0.08720118433574389, https://leetcode.com/problems/expression-add-operators
56,Merge Intervals,39.3%,Medium,0.08339552430579078, https://leetcode.com/problems/merge-intervals
341,Flatten Nested List Iterator,52.9%,Medium,0.07763353611776078, https://leetcode.com/problems/flatten-nested-list-iterator
480,Sliding Window Median,37.2%,Hard,0.0743529801177063, https://leetcode.com/problems/sliding-window-median
986,Interval List Intersections,67.3%,Medium,0.07255865182314948, https://leetcode.com/problems/interval-list-intersections
394,Decode String,50.0%,Medium,0.07120444629179161, https://leetcode.com/problems/decode-string
1146,Snapshot Array,37.0%,Medium,0.07017687679183775, https://leetcode.com/problems/snapshot-array
1,Two Sum,45.6%,Easy,0.06437944929577392, https://leetcode.com/problems/two-sum
340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,0.06298815293235048, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
305,Number of Islands II,40.1%,Hard,0.06007812394328337, https://leetcode.com/problems/number-of-islands-ii
362,Design Hit Counter,63.7%,Medium,0.05622967649867821, https://leetcode.com/problems/design-hit-counter
653,Two Sum IV - Input is a BST,55.5%,Easy,0.055724721838100025, https://leetcode.com/problems/two-sum-iv-input-is-a-bst
76,Minimum Window Substring,34.6%,Hard,0.05473322196089386, https://leetcode.com/problems/minimum-window-substring
310,Minimum Height Trees,32.3%,Medium,0.05423015406086025, https://leetcode.com/problems/minimum-height-trees
39,Combination Sum,56.1%,Medium,0.05030398316850793, https://leetcode.com/problems/combination-sum
242,Valid Anagram,56.9%,Easy,0.04973624974928908, https://leetcode.com/problems/valid-anagram
238,Product of Array Except Self,60.1%,Medium,0.04711503937510501, https://leetcode.com/problems/product-of-array-except-self
733,Flood Fill,55.3%,Easy,0.04413292021115189, https://leetcode.com/problems/flood-fill
15,3Sum,26.8%,Medium,0.04361391077370199, https://leetcode.com/problems/3sum
642,Design Search Autocomplete System,44.7%,Hard,0.04334372921647208, https://leetcode.com/problems/design-search-autocomplete-system
716,Max Stack,42.6%,Easy,0.042695919196489414, https://leetcode.com/problems/max-stack
314,Binary Tree Vertical Order Traversal,45.3%,Medium,0.04007660092703385, https://leetcode.com/problems/binary-tree-vertical-order-traversal
1031,Maximum Sum of Two Non-Overlapping Subarrays,57.9%,Medium,0.03711000965123125, https://leetcode.com/problems/maximum-sum-of-two-non-overlapping-subarrays
658,Find K Closest Elements,40.9%,Medium,0.03699558767659505, https://leetcode.com/problems/find-k-closest-elements
91,Decode Ways,24.7%,Medium,0.03673102791879485, https://leetcode.com/problems/decode-ways
96,Unique Binary Search Trees,52.9%,Medium,0.036467121912812143, https://leetcode.com/problems/unique-binary-search-trees
49,Group Anagrams,56.9%,Medium,0.03372685005765885, https://leetcode.com/problems/group-anagrams
44,Wildcard Matching,24.7%,Hard,0.030573033362282363, https://leetcode.com/problems/wildcard-matching
210,Course Schedule II,40.7%,Medium,0.030110003854123765, https://leetcode.com/problems/course-schedule-ii
329,Longest Increasing Path in a Matrix,43.4%,Hard,0.029902560173869868, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
155,Min Stack,44.5%,Easy,0.029317296678520607, https://leetcode.com/problems/min-stack
33,Search in Rotated Sorted Array,34.5%,Medium,0.0287009496170278, https://leetcode.com/problems/search-in-rotated-sorted-array
206,Reverse Linked List,62.5%,Easy,0.028292880260936595, https://leetcode.com/problems/reverse-linked-list
121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0257124040167447, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
377,Combination Sum IV,45.3%,Medium,0.02087758502155521, https://leetcode.com/problems/combination-sum-iv
14,Longest Common Prefix,35.4%,Easy,0.02057347087022327, https://leetcode.com/problems/longest-common-prefix
3,Longest Substring Without Repeating Characters,30.4%,Medium,0.018891763947827014, https://leetcode.com/problems/longest-substring-without-repeating-characters
234,Palindrome Linked List,39.3%,Easy,0.01801241989645556, https://leetcode.com/problems/palindrome-linked-list
22,Generate Parentheses,62.7%,Medium,0.017331456351639924, https://leetcode.com/problems/generate-parentheses
297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.01585377577217724, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
215,Kth Largest Element in an Array,55.4%,Medium,0.015519225147600912, https://leetcode.com/problems/kth-largest-element-in-an-array
557,Reverse Words in a String III,69.8%,Easy,0.013731764001315941, https://leetcode.com/problems/reverse-words-in-a-string-iii
62,Unique Paths,54.1%,Medium,0.010367562048856941, https://leetcode.com/problems/unique-paths
560,Subarray Sum Equals K,43.9%,Medium,0.009603146783199741, https://leetcode.com/problems/subarray-sum-equals-k
347,Top K Frequent Elements,61.2%,Medium,0.009249390740121013, https://leetcode.com/problems/top-k-frequent-elements
63,Unique Paths II,34.6%,Medium,0.008712753874961187, https://leetcode.com/problems/unique-paths-ii
344,Reverse String,68.5%,Easy,0.00734157796234515, https://leetcode.com/problems/reverse-string
189,Rotate Array,34.7%,Easy,0.004029826126500844, https://leetcode.com/problems/rotate-array
151,Reverse Words in a String,21.9%,Medium,0.003456091915988908, https://leetcode.com/problems/reverse-words-in-a-string
270,Closest Binary Search Tree Value,48.5%,Easy,0, https://leetcode.com/problems/closest-binary-search-tree-value
40,Combination Sum II,48.2%,Medium,0, https://leetcode.com/problems/combination-sum-ii
312,Burst Balloons,51.8%,Hard,0, https://leetcode.com/problems/burst-balloons
402,Remove K Digits,28.4%,Medium,0, https://leetcode.com/problems/remove-k-digits
443,String Compression,41.3%,Easy,0, https://leetcode.com/problems/string-compression
964,Least Operators to Express Number,43.8%,Hard,0, https://leetcode.com/problems/least-operators-to-express-number
ID,Title,Acceptance,Difficulty,Frequency,Leetcode Question Link
296,Best Meeting Point,57.5%,Hard,1.0585568181106577, https://leetcode.com/problems/best-meeting-point
146,LRU Cache,33.2%,Medium,0.9412050074721253, https://leetcode.com/problems/lru-cache
212,Word Search II,34.9%,Hard,0.7871523471289301, https://leetcode.com/problems/word-search-ii
68,Text Justification,27.7%,Hard,0.7812966622905007, https://leetcode.com/problems/text-justification
527,Word Abbreviation,54.3%,Hard,0.7435780341868372, https://leetcode.com/problems/word-abbreviation
36,Valid Sudoku,48.7%,Medium,0.589525373843642, https://leetcode.com/problems/valid-sudoku
772,Basic Calculator III,41.3%,Hard,0.5881497072005337, https://leetcode.com/problems/basic-calculator-iii
439,Ternary Expression Parser,55.9%,Medium,0.5705448584676129, https://leetcode.com/problems/ternary-expression-parser
253,Meeting Rooms II,45.7%,Medium,0.5493362897220211, https://leetcode.com/problems/meeting-rooms-ii
332,Reconstruct Itinerary,36.7%,Medium,0.5180020277364334, https://leetcode.com/problems/reconstruct-itinerary
403,Frog Jump,39.7%,Hard,0.504766595745896, https://leetcode.com/problems/frog-jump
289,Game of Life,54.5%,Medium,0.48802506022625414, https://leetcode.com/problems/game-of-life
317,Shortest Distance from All Buildings,41.4%,Hard,0.4817811959810462, https://leetcode.com/problems/shortest-distance-from-all-buildings
127,Word Ladder,29.6%,Medium,0.4325804000994867, https://leetcode.com/problems/word-ladder
227,Basic Calculator II,36.9%,Medium,0.4233944910226638, https://leetcode.com/problems/basic-calculator-ii
139,Word Break,40.1%,Medium,0.32945181788981065, https://leetcode.com/problems/word-break
460,LFU Cache,34.2%,Hard,0.3258590625960574, https://leetcode.com/problems/lfu-cache
224,Basic Calculator,36.8%,Hard,0.291910408561302, https://leetcode.com/problems/basic-calculator
37,Sudoku Solver,43.6%,Hard,0.2578291093020998, https://leetcode.com/problems/sudoku-solver
415,Add Strings,47.5%,Easy,0.24230382668402778, https://leetcode.com/problems/add-strings
269,Alien Dictionary,33.3%,Hard,0.2306743801916798, https://leetcode.com/problems/alien-dictionary
635,Design Log Storage System,58.6%,Medium,0.22440062250426088, https://leetcode.com/problems/design-log-storage-system
161,One Edit Distance,32.3%,Medium,0.20769707317771804, https://leetcode.com/problems/one-edit-distance
295,Find Median from Data Stream,44.3%,Hard,0.2037476209666304, https://leetcode.com/problems/find-median-from-data-stream
200,Number of Islands,46.8%,Medium,0.1699216454242077, https://leetcode.com/problems/number-of-islands
632,Smallest Range Covering Elements from K Lists,52.4%,Hard,0.15283920422944758, https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
169,Majority Element,58.7%,Easy,0.13339870308100113, https://leetcode.com/problems/majority-element
839,Similar String Groups,38.6%,Hard,0.11934675763256619, https://leetcode.com/problems/similar-string-groups
79,Word Search,35.6%,Medium,0.11366482626329145, https://leetcode.com/problems/word-search
140,Word Break II,32.6%,Hard,0.10843250681427455, https://leetcode.com/problems/word-break-ii
311,Sparse Matrix Multiplication,61.9%,Medium,0.10648348040245009, https://leetcode.com/problems/sparse-matrix-multiplication
42,Trapping Rain Water,48.9%,Hard,0.10346205022559302, https://leetcode.com/problems/trapping-rain-water
54,Spiral Matrix,34.1%,Medium,0.10061889164064056, https://leetcode.com/problems/spiral-matrix
282,Expression Add Operators,35.5%,Hard,0.08720118433574389, https://leetcode.com/problems/expression-add-operators
56,Merge Intervals,39.3%,Medium,0.08339552430579078, https://leetcode.com/problems/merge-intervals
341,Flatten Nested List Iterator,52.9%,Medium,0.07763353611776078, https://leetcode.com/problems/flatten-nested-list-iterator
480,Sliding Window Median,37.2%,Hard,0.0743529801177063, https://leetcode.com/problems/sliding-window-median
986,Interval List Intersections,67.3%,Medium,0.07255865182314948, https://leetcode.com/problems/interval-list-intersections
394,Decode String,50.0%,Medium,0.07120444629179161, https://leetcode.com/problems/decode-string
1146,Snapshot Array,37.0%,Medium,0.07017687679183775, https://leetcode.com/problems/snapshot-array
1,Two Sum,45.6%,Easy,0.06437944929577392, https://leetcode.com/problems/two-sum
340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,0.06298815293235048, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
305,Number of Islands II,40.1%,Hard,0.06007812394328337, https://leetcode.com/problems/number-of-islands-ii
362,Design Hit Counter,63.7%,Medium,0.05622967649867821, https://leetcode.com/problems/design-hit-counter
653,Two Sum IV - Input is a BST,55.5%,Easy,0.055724721838100025, https://leetcode.com/problems/two-sum-iv-input-is-a-bst
76,Minimum Window Substring,34.6%,Hard,0.05473322196089386, https://leetcode.com/problems/minimum-window-substring
310,Minimum Height Trees,32.3%,Medium,0.05423015406086025, https://leetcode.com/problems/minimum-height-trees
39,Combination Sum,56.1%,Medium,0.05030398316850793, https://leetcode.com/problems/combination-sum
242,Valid Anagram,56.9%,Easy,0.04973624974928908, https://leetcode.com/problems/valid-anagram
238,Product of Array Except Self,60.1%,Medium,0.04711503937510501, https://leetcode.com/problems/product-of-array-except-self
733,Flood Fill,55.3%,Easy,0.04413292021115189, https://leetcode.com/problems/flood-fill
15,3Sum,26.8%,Medium,0.04361391077370199, https://leetcode.com/problems/3sum
642,Design Search Autocomplete System,44.7%,Hard,0.04334372921647208, https://leetcode.com/problems/design-search-autocomplete-system
716,Max Stack,42.6%,Easy,0.042695919196489414, https://leetcode.com/problems/max-stack
314,Binary Tree Vertical Order Traversal,45.3%,Medium,0.04007660092703385, https://leetcode.com/problems/binary-tree-vertical-order-traversal
1031,Maximum Sum of Two Non-Overlapping Subarrays,57.9%,Medium,0.03711000965123125, https://leetcode.com/problems/maximum-sum-of-two-non-overlapping-subarrays
658,Find K Closest Elements,40.9%,Medium,0.03699558767659505, https://leetcode.com/problems/find-k-closest-elements
91,Decode Ways,24.7%,Medium,0.03673102791879485, https://leetcode.com/problems/decode-ways
96,Unique Binary Search Trees,52.9%,Medium,0.036467121912812143, https://leetcode.com/problems/unique-binary-search-trees
49,Group Anagrams,56.9%,Medium,0.03372685005765885, https://leetcode.com/problems/group-anagrams
44,Wildcard Matching,24.7%,Hard,0.030573033362282363, https://leetcode.com/problems/wildcard-matching
210,Course Schedule II,40.7%,Medium,0.030110003854123765, https://leetcode.com/problems/course-schedule-ii
329,Longest Increasing Path in a Matrix,43.4%,Hard,0.029902560173869868, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
155,Min Stack,44.5%,Easy,0.029317296678520607, https://leetcode.com/problems/min-stack
33,Search in Rotated Sorted Array,34.5%,Medium,0.0287009496170278, https://leetcode.com/problems/search-in-rotated-sorted-array
206,Reverse Linked List,62.5%,Easy,0.028292880260936595, https://leetcode.com/problems/reverse-linked-list
121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0257124040167447, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
377,Combination Sum IV,45.3%,Medium,0.02087758502155521, https://leetcode.com/problems/combination-sum-iv
14,Longest Common Prefix,35.4%,Easy,0.02057347087022327, https://leetcode.com/problems/longest-common-prefix
3,Longest Substring Without Repeating Characters,30.4%,Medium,0.018891763947827014, https://leetcode.com/problems/longest-substring-without-repeating-characters
234,Palindrome Linked List,39.3%,Easy,0.01801241989645556, https://leetcode.com/problems/palindrome-linked-list
22,Generate Parentheses,62.7%,Medium,0.017331456351639924, https://leetcode.com/problems/generate-parentheses
297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.01585377577217724, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
215,Kth Largest Element in an Array,55.4%,Medium,0.015519225147600912, https://leetcode.com/problems/kth-largest-element-in-an-array
557,Reverse Words in a String III,69.8%,Easy,0.013731764001315941, https://leetcode.com/problems/reverse-words-in-a-string-iii
62,Unique Paths,54.1%,Medium,0.010367562048856941, https://leetcode.com/problems/unique-paths
560,Subarray Sum Equals K,43.9%,Medium,0.009603146783199741, https://leetcode.com/problems/subarray-sum-equals-k
347,Top K Frequent Elements,61.2%,Medium,0.009249390740121013, https://leetcode.com/problems/top-k-frequent-elements
63,Unique Paths II,34.6%,Medium,0.008712753874961187, https://leetcode.com/problems/unique-paths-ii
344,Reverse String,68.5%,Easy,0.00734157796234515, https://leetcode.com/problems/reverse-string
189,Rotate Array,34.7%,Easy,0.004029826126500844, https://leetcode.com/problems/rotate-array
151,Reverse Words in a String,21.9%,Medium,0.003456091915988908, https://leetcode.com/problems/reverse-words-in-a-string
270,Closest Binary Search Tree Value,48.5%,Easy,0, https://leetcode.com/problems/closest-binary-search-tree-value
40,Combination Sum II,48.2%,Medium,0, https://leetcode.com/problems/combination-sum-ii
312,Burst Balloons,51.8%,Hard,0, https://leetcode.com/problems/burst-balloons
402,Remove K Digits,28.4%,Medium,0, https://leetcode.com/problems/remove-k-digits
443,String Compression,41.3%,Easy,0, https://leetcode.com/problems/string-compression
964,Least Operators to Express Number,43.8%,Hard,0, https://leetcode.com/problems/least-operators-to-express-number
1 296 ID Best Meeting Point Title 57.5% Acceptance Hard Difficulty 1.0585568181106577 Frequency https://leetcode.com/problems/best-meeting-point Leetcode Question Link
2 146 296 LRU Cache Best Meeting Point 33.2% 57.5% Medium Hard 0.9412050074721253 1.0585568181106577 https://leetcode.com/problems/lru-cache https://leetcode.com/problems/best-meeting-point
3 212 146 Word Search II LRU Cache 34.9% 33.2% Hard Medium 0.7871523471289301 0.9412050074721253 https://leetcode.com/problems/word-search-ii https://leetcode.com/problems/lru-cache
4 68 212 Text Justification Word Search II 27.7% 34.9% Hard Hard 0.7812966622905007 0.7871523471289301 https://leetcode.com/problems/text-justification https://leetcode.com/problems/word-search-ii
5 527 68 Word Abbreviation Text Justification 54.3% 27.7% Hard Hard 0.7435780341868372 0.7812966622905007 https://leetcode.com/problems/word-abbreviation https://leetcode.com/problems/text-justification
6 36 527 Valid Sudoku Word Abbreviation 48.7% 54.3% Medium Hard 0.589525373843642 0.7435780341868372 https://leetcode.com/problems/valid-sudoku https://leetcode.com/problems/word-abbreviation
7 772 36 Basic Calculator III Valid Sudoku 41.3% 48.7% Hard Medium 0.5881497072005337 0.589525373843642 https://leetcode.com/problems/basic-calculator-iii https://leetcode.com/problems/valid-sudoku
8 439 772 Ternary Expression Parser Basic Calculator III 55.9% 41.3% Medium Hard 0.5705448584676129 0.5881497072005337 https://leetcode.com/problems/ternary-expression-parser https://leetcode.com/problems/basic-calculator-iii
9 253 439 Meeting Rooms II Ternary Expression Parser 45.7% 55.9% Medium Medium 0.5493362897220211 0.5705448584676129 https://leetcode.com/problems/meeting-rooms-ii https://leetcode.com/problems/ternary-expression-parser
10 332 253 Reconstruct Itinerary Meeting Rooms II 36.7% 45.7% Medium Medium 0.5180020277364334 0.5493362897220211 https://leetcode.com/problems/reconstruct-itinerary https://leetcode.com/problems/meeting-rooms-ii
11 403 332 Frog Jump Reconstruct Itinerary 39.7% 36.7% Hard Medium 0.504766595745896 0.5180020277364334 https://leetcode.com/problems/frog-jump https://leetcode.com/problems/reconstruct-itinerary
12 289 403 Game of Life Frog Jump 54.5% 39.7% Medium Hard 0.48802506022625414 0.504766595745896 https://leetcode.com/problems/game-of-life https://leetcode.com/problems/frog-jump
13 317 289 Shortest Distance from All Buildings Game of Life 41.4% 54.5% Hard Medium 0.4817811959810462 0.48802506022625414 https://leetcode.com/problems/shortest-distance-from-all-buildings https://leetcode.com/problems/game-of-life
14 127 317 Word Ladder Shortest Distance from All Buildings 29.6% 41.4% Medium Hard 0.4325804000994867 0.4817811959810462 https://leetcode.com/problems/word-ladder https://leetcode.com/problems/shortest-distance-from-all-buildings
15 227 127 Basic Calculator II Word Ladder 36.9% 29.6% Medium Medium 0.4233944910226638 0.4325804000994867 https://leetcode.com/problems/basic-calculator-ii https://leetcode.com/problems/word-ladder
16 139 227 Word Break Basic Calculator II 40.1% 36.9% Medium Medium 0.32945181788981065 0.4233944910226638 https://leetcode.com/problems/word-break https://leetcode.com/problems/basic-calculator-ii
17 460 139 LFU Cache Word Break 34.2% 40.1% Hard Medium 0.3258590625960574 0.32945181788981065 https://leetcode.com/problems/lfu-cache https://leetcode.com/problems/word-break
18 224 460 Basic Calculator LFU Cache 36.8% 34.2% Hard Hard 0.291910408561302 0.3258590625960574 https://leetcode.com/problems/basic-calculator https://leetcode.com/problems/lfu-cache
19 37 224 Sudoku Solver Basic Calculator 43.6% 36.8% Hard Hard 0.2578291093020998 0.291910408561302 https://leetcode.com/problems/sudoku-solver https://leetcode.com/problems/basic-calculator
20 415 37 Add Strings Sudoku Solver 47.5% 43.6% Easy Hard 0.24230382668402778 0.2578291093020998 https://leetcode.com/problems/add-strings https://leetcode.com/problems/sudoku-solver
21 269 415 Alien Dictionary Add Strings 33.3% 47.5% Hard Easy 0.2306743801916798 0.24230382668402778 https://leetcode.com/problems/alien-dictionary https://leetcode.com/problems/add-strings
22 635 269 Design Log Storage System Alien Dictionary 58.6% 33.3% Medium Hard 0.22440062250426088 0.2306743801916798 https://leetcode.com/problems/design-log-storage-system https://leetcode.com/problems/alien-dictionary
23 161 635 One Edit Distance Design Log Storage System 32.3% 58.6% Medium Medium 0.20769707317771804 0.22440062250426088 https://leetcode.com/problems/one-edit-distance https://leetcode.com/problems/design-log-storage-system
24 295 161 Find Median from Data Stream One Edit Distance 44.3% 32.3% Hard Medium 0.2037476209666304 0.20769707317771804 https://leetcode.com/problems/find-median-from-data-stream https://leetcode.com/problems/one-edit-distance
25 200 295 Number of Islands Find Median from Data Stream 46.8% 44.3% Medium Hard 0.1699216454242077 0.2037476209666304 https://leetcode.com/problems/number-of-islands https://leetcode.com/problems/find-median-from-data-stream
26 632 200 Smallest Range Covering Elements from K Lists Number of Islands 52.4% 46.8% Hard Medium 0.15283920422944758 0.1699216454242077 https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists https://leetcode.com/problems/number-of-islands
27 169 632 Majority Element Smallest Range Covering Elements from K Lists 58.7% 52.4% Easy Hard 0.13339870308100113 0.15283920422944758 https://leetcode.com/problems/majority-element https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
28 839 169 Similar String Groups Majority Element 38.6% 58.7% Hard Easy 0.11934675763256619 0.13339870308100113 https://leetcode.com/problems/similar-string-groups https://leetcode.com/problems/majority-element
29 79 839 Word Search Similar String Groups 35.6% 38.6% Medium Hard 0.11366482626329145 0.11934675763256619 https://leetcode.com/problems/word-search https://leetcode.com/problems/similar-string-groups
30 140 79 Word Break II Word Search 32.6% 35.6% Hard Medium 0.10843250681427455 0.11366482626329145 https://leetcode.com/problems/word-break-ii https://leetcode.com/problems/word-search
31 311 140 Sparse Matrix Multiplication Word Break II 61.9% 32.6% Medium Hard 0.10648348040245009 0.10843250681427455 https://leetcode.com/problems/sparse-matrix-multiplication https://leetcode.com/problems/word-break-ii
32 42 311 Trapping Rain Water Sparse Matrix Multiplication 48.9% 61.9% Hard Medium 0.10346205022559302 0.10648348040245009 https://leetcode.com/problems/trapping-rain-water https://leetcode.com/problems/sparse-matrix-multiplication
33 54 42 Spiral Matrix Trapping Rain Water 34.1% 48.9% Medium Hard 0.10061889164064056 0.10346205022559302 https://leetcode.com/problems/spiral-matrix https://leetcode.com/problems/trapping-rain-water
34 282 54 Expression Add Operators Spiral Matrix 35.5% 34.1% Hard Medium 0.08720118433574389 0.10061889164064056 https://leetcode.com/problems/expression-add-operators https://leetcode.com/problems/spiral-matrix
35 56 282 Merge Intervals Expression Add Operators 39.3% 35.5% Medium Hard 0.08339552430579078 0.08720118433574389 https://leetcode.com/problems/merge-intervals https://leetcode.com/problems/expression-add-operators
36 341 56 Flatten Nested List Iterator Merge Intervals 52.9% 39.3% Medium Medium 0.07763353611776078 0.08339552430579078 https://leetcode.com/problems/flatten-nested-list-iterator https://leetcode.com/problems/merge-intervals
37 480 341 Sliding Window Median Flatten Nested List Iterator 37.2% 52.9% Hard Medium 0.0743529801177063 0.07763353611776078 https://leetcode.com/problems/sliding-window-median https://leetcode.com/problems/flatten-nested-list-iterator
38 986 480 Interval List Intersections Sliding Window Median 67.3% 37.2% Medium Hard 0.07255865182314948 0.0743529801177063 https://leetcode.com/problems/interval-list-intersections https://leetcode.com/problems/sliding-window-median
39 394 986 Decode String Interval List Intersections 50.0% 67.3% Medium Medium 0.07120444629179161 0.07255865182314948 https://leetcode.com/problems/decode-string https://leetcode.com/problems/interval-list-intersections
40 1146 394 Snapshot Array Decode String 37.0% 50.0% Medium Medium 0.07017687679183775 0.07120444629179161 https://leetcode.com/problems/snapshot-array https://leetcode.com/problems/decode-string
41 1 1146 Two Sum Snapshot Array 45.6% 37.0% Easy Medium 0.06437944929577392 0.07017687679183775 https://leetcode.com/problems/two-sum https://leetcode.com/problems/snapshot-array
42 340 1 Longest Substring with At Most K Distinct Characters Two Sum 44.1% 45.6% Hard Easy 0.06298815293235048 0.06437944929577392 https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters https://leetcode.com/problems/two-sum
43 305 340 Number of Islands II Longest Substring with At Most K Distinct Characters 40.1% 44.1% Hard Hard 0.06007812394328337 0.06298815293235048 https://leetcode.com/problems/number-of-islands-ii https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
44 362 305 Design Hit Counter Number of Islands II 63.7% 40.1% Medium Hard 0.05622967649867821 0.06007812394328337 https://leetcode.com/problems/design-hit-counter https://leetcode.com/problems/number-of-islands-ii
45 653 362 Two Sum IV - Input is a BST Design Hit Counter 55.5% 63.7% Easy Medium 0.055724721838100025 0.05622967649867821 https://leetcode.com/problems/two-sum-iv-input-is-a-bst https://leetcode.com/problems/design-hit-counter
46 76 653 Minimum Window Substring Two Sum IV - Input is a BST 34.6% 55.5% Hard Easy 0.05473322196089386 0.055724721838100025 https://leetcode.com/problems/minimum-window-substring https://leetcode.com/problems/two-sum-iv-input-is-a-bst
47 310 76 Minimum Height Trees Minimum Window Substring 32.3% 34.6% Medium Hard 0.05423015406086025 0.05473322196089386 https://leetcode.com/problems/minimum-height-trees https://leetcode.com/problems/minimum-window-substring
48 39 310 Combination Sum Minimum Height Trees 56.1% 32.3% Medium Medium 0.05030398316850793 0.05423015406086025 https://leetcode.com/problems/combination-sum https://leetcode.com/problems/minimum-height-trees
49 242 39 Valid Anagram Combination Sum 56.9% 56.1% Easy Medium 0.04973624974928908 0.05030398316850793 https://leetcode.com/problems/valid-anagram https://leetcode.com/problems/combination-sum
50 238 242 Product of Array Except Self Valid Anagram 60.1% 56.9% Medium Easy 0.04711503937510501 0.04973624974928908 https://leetcode.com/problems/product-of-array-except-self https://leetcode.com/problems/valid-anagram
51 733 238 Flood Fill Product of Array Except Self 55.3% 60.1% Easy Medium 0.04413292021115189 0.04711503937510501 https://leetcode.com/problems/flood-fill https://leetcode.com/problems/product-of-array-except-self
52 15 733 3Sum Flood Fill 26.8% 55.3% Medium Easy 0.04361391077370199 0.04413292021115189 https://leetcode.com/problems/3sum https://leetcode.com/problems/flood-fill
53 642 15 Design Search Autocomplete System 3Sum 44.7% 26.8% Hard Medium 0.04334372921647208 0.04361391077370199 https://leetcode.com/problems/design-search-autocomplete-system https://leetcode.com/problems/3sum
54 716 642 Max Stack Design Search Autocomplete System 42.6% 44.7% Easy Hard 0.042695919196489414 0.04334372921647208 https://leetcode.com/problems/max-stack https://leetcode.com/problems/design-search-autocomplete-system
55 314 716 Binary Tree Vertical Order Traversal Max Stack 45.3% 42.6% Medium Easy 0.04007660092703385 0.042695919196489414 https://leetcode.com/problems/binary-tree-vertical-order-traversal https://leetcode.com/problems/max-stack
56 1031 314 Maximum Sum of Two Non-Overlapping Subarrays Binary Tree Vertical Order Traversal 57.9% 45.3% Medium Medium 0.03711000965123125 0.04007660092703385 https://leetcode.com/problems/maximum-sum-of-two-non-overlapping-subarrays https://leetcode.com/problems/binary-tree-vertical-order-traversal
57 658 1031 Find K Closest Elements Maximum Sum of Two Non-Overlapping Subarrays 40.9% 57.9% Medium Medium 0.03699558767659505 0.03711000965123125 https://leetcode.com/problems/find-k-closest-elements https://leetcode.com/problems/maximum-sum-of-two-non-overlapping-subarrays
58 91 658 Decode Ways Find K Closest Elements 24.7% 40.9% Medium Medium 0.03673102791879485 0.03699558767659505 https://leetcode.com/problems/decode-ways https://leetcode.com/problems/find-k-closest-elements
59 96 91 Unique Binary Search Trees Decode Ways 52.9% 24.7% Medium Medium 0.036467121912812143 0.03673102791879485 https://leetcode.com/problems/unique-binary-search-trees https://leetcode.com/problems/decode-ways
60 49 96 Group Anagrams Unique Binary Search Trees 56.9% 52.9% Medium Medium 0.03372685005765885 0.036467121912812143 https://leetcode.com/problems/group-anagrams https://leetcode.com/problems/unique-binary-search-trees
61 44 49 Wildcard Matching Group Anagrams 24.7% 56.9% Hard Medium 0.030573033362282363 0.03372685005765885 https://leetcode.com/problems/wildcard-matching https://leetcode.com/problems/group-anagrams
62 210 44 Course Schedule II Wildcard Matching 40.7% 24.7% Medium Hard 0.030110003854123765 0.030573033362282363 https://leetcode.com/problems/course-schedule-ii https://leetcode.com/problems/wildcard-matching
63 329 210 Longest Increasing Path in a Matrix Course Schedule II 43.4% 40.7% Hard Medium 0.029902560173869868 0.030110003854123765 https://leetcode.com/problems/longest-increasing-path-in-a-matrix https://leetcode.com/problems/course-schedule-ii
64 155 329 Min Stack Longest Increasing Path in a Matrix 44.5% 43.4% Easy Hard 0.029317296678520607 0.029902560173869868 https://leetcode.com/problems/min-stack https://leetcode.com/problems/longest-increasing-path-in-a-matrix
65 33 155 Search in Rotated Sorted Array Min Stack 34.5% 44.5% Medium Easy 0.0287009496170278 0.029317296678520607 https://leetcode.com/problems/search-in-rotated-sorted-array https://leetcode.com/problems/min-stack
66 206 33 Reverse Linked List Search in Rotated Sorted Array 62.5% 34.5% Easy Medium 0.028292880260936595 0.0287009496170278 https://leetcode.com/problems/reverse-linked-list https://leetcode.com/problems/search-in-rotated-sorted-array
67 121 206 Best Time to Buy and Sell Stock Reverse Linked List 50.5% 62.5% Easy Easy 0.0257124040167447 0.028292880260936595 https://leetcode.com/problems/best-time-to-buy-and-sell-stock https://leetcode.com/problems/reverse-linked-list
68 377 121 Combination Sum IV Best Time to Buy and Sell Stock 45.3% 50.5% Medium Easy 0.02087758502155521 0.0257124040167447 https://leetcode.com/problems/combination-sum-iv https://leetcode.com/problems/best-time-to-buy-and-sell-stock
69 14 377 Longest Common Prefix Combination Sum IV 35.4% 45.3% Easy Medium 0.02057347087022327 0.02087758502155521 https://leetcode.com/problems/longest-common-prefix https://leetcode.com/problems/combination-sum-iv
70 3 14 Longest Substring Without Repeating Characters Longest Common Prefix 30.4% 35.4% Medium Easy 0.018891763947827014 0.02057347087022327 https://leetcode.com/problems/longest-substring-without-repeating-characters https://leetcode.com/problems/longest-common-prefix
71 234 3 Palindrome Linked List Longest Substring Without Repeating Characters 39.3% 30.4% Easy Medium 0.01801241989645556 0.018891763947827014 https://leetcode.com/problems/palindrome-linked-list https://leetcode.com/problems/longest-substring-without-repeating-characters
72 22 234 Generate Parentheses Palindrome Linked List 62.7% 39.3% Medium Easy 0.017331456351639924 0.01801241989645556 https://leetcode.com/problems/generate-parentheses https://leetcode.com/problems/palindrome-linked-list
73 297 22 Serialize and Deserialize Binary Tree Generate Parentheses 47.5% 62.7% Hard Medium 0.01585377577217724 0.017331456351639924 https://leetcode.com/problems/serialize-and-deserialize-binary-tree https://leetcode.com/problems/generate-parentheses
74 215 297 Kth Largest Element in an Array Serialize and Deserialize Binary Tree 55.4% 47.5% Medium Hard 0.015519225147600912 0.01585377577217724 https://leetcode.com/problems/kth-largest-element-in-an-array https://leetcode.com/problems/serialize-and-deserialize-binary-tree
75 557 215 Reverse Words in a String III Kth Largest Element in an Array 69.8% 55.4% Easy Medium 0.013731764001315941 0.015519225147600912 https://leetcode.com/problems/reverse-words-in-a-string-iii https://leetcode.com/problems/kth-largest-element-in-an-array
76 62 557 Unique Paths Reverse Words in a String III 54.1% 69.8% Medium Easy 0.010367562048856941 0.013731764001315941 https://leetcode.com/problems/unique-paths https://leetcode.com/problems/reverse-words-in-a-string-iii
77 560 62 Subarray Sum Equals K Unique Paths 43.9% 54.1% Medium Medium 0.009603146783199741 0.010367562048856941 https://leetcode.com/problems/subarray-sum-equals-k https://leetcode.com/problems/unique-paths
78 347 560 Top K Frequent Elements Subarray Sum Equals K 61.2% 43.9% Medium Medium 0.009249390740121013 0.009603146783199741 https://leetcode.com/problems/top-k-frequent-elements https://leetcode.com/problems/subarray-sum-equals-k
79 63 347 Unique Paths II Top K Frequent Elements 34.6% 61.2% Medium Medium 0.008712753874961187 0.009249390740121013 https://leetcode.com/problems/unique-paths-ii https://leetcode.com/problems/top-k-frequent-elements
80 344 63 Reverse String Unique Paths II 68.5% 34.6% Easy Medium 0.00734157796234515 0.008712753874961187 https://leetcode.com/problems/reverse-string https://leetcode.com/problems/unique-paths-ii
81 189 344 Rotate Array Reverse String 34.7% 68.5% Easy Easy 0.004029826126500844 0.00734157796234515 https://leetcode.com/problems/rotate-array https://leetcode.com/problems/reverse-string
82 151 189 Reverse Words in a String Rotate Array 21.9% 34.7% Medium Easy 0.003456091915988908 0.004029826126500844 https://leetcode.com/problems/reverse-words-in-a-string https://leetcode.com/problems/rotate-array
83 270 151 Closest Binary Search Tree Value Reverse Words in a String 48.5% 21.9% Easy Medium 0 0.003456091915988908 https://leetcode.com/problems/closest-binary-search-tree-value https://leetcode.com/problems/reverse-words-in-a-string
84 40 270 Combination Sum II Closest Binary Search Tree Value 48.2% 48.5% Medium Easy 0 0 https://leetcode.com/problems/combination-sum-ii https://leetcode.com/problems/closest-binary-search-tree-value
85 312 40 Burst Balloons Combination Sum II 51.8% 48.2% Hard Medium 0 0 https://leetcode.com/problems/burst-balloons https://leetcode.com/problems/combination-sum-ii
86 402 312 Remove K Digits Burst Balloons 28.4% 51.8% Medium Hard 0 0 https://leetcode.com/problems/remove-k-digits https://leetcode.com/problems/burst-balloons
87 443 402 String Compression Remove K Digits 41.3% 28.4% Easy Medium 0 0 https://leetcode.com/problems/string-compression https://leetcode.com/problems/remove-k-digits
88 964 443 Least Operators to Express Number String Compression 43.8% 41.3% Hard Easy 0 0 https://leetcode.com/problems/least-operators-to-express-number https://leetcode.com/problems/string-compression
89 964 Least Operators to Express Number 43.8% Hard 0 https://leetcode.com/problems/least-operators-to-express-number