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364,Nested List Weight Sum II,62.8%,Medium,3.4314026516185074, https://leetcode.com/problems/nested-list-weight-sum-ii
244,Shortest Word Distance II,52.3%,Medium,3.3074402860776226, https://leetcode.com/problems/shortest-word-distance-ii
272,Closest Binary Search Tree Value II,50.5%,Hard,3.009985507576158, https://leetcode.com/problems/closest-binary-search-tree-value-ii
716,Max Stack,42.6%,Easy,2.8905651319656047, https://leetcode.com/problems/max-stack
366,Find Leaves of Binary Tree,70.6%,Medium,2.719366575451067, https://leetcode.com/problems/find-leaves-of-binary-tree
170,Two Sum III - Data structure design,33.5%,Easy,2.4219117969496025, https://leetcode.com/problems/two-sum-iii-data-structure-design
432,All O`one Data Structure,32.4%,Hard,2.34464696026554, https://leetcode.com/problems/all-oone-data-structure
605,Can Place Flowers,31.6%,Easy,2.300593060462805, https://leetcode.com/problems/can-place-flowers
339,Nested List Weight Sum,74.0%,Easy,2.217225244042889, https://leetcode.com/problems/nested-list-weight-sum
254,Factor Combinations,46.7%,Medium,2.157039260360306, https://leetcode.com/problems/factor-combinations
156,Binary Tree Upside Down,55.0%,Medium,1.9388429818322208, https://leetcode.com/problems/binary-tree-upside-down
243,Shortest Word Distance,61.0%,Easy,1.6413882033307563, https://leetcode.com/problems/shortest-word-distance
150,Evaluate Reverse Polish Notation,36.3%,Medium,1.631958216745279, https://leetcode.com/problems/evaluate-reverse-polish-notation
256,Paint House,52.1%,Easy,1.447627449136699, https://leetcode.com/problems/paint-house
68,Text Justification,27.7%,Hard,1.2612363282688142, https://leetcode.com/problems/text-justification
149,Max Points on a Line,16.9%,Hard,1.0358890301947536, https://leetcode.com/problems/max-points-on-a-line
698,Partition to K Equal Sum Subsets,45.0%,Medium,1.0032310331325633, https://leetcode.com/problems/partition-to-k-equal-sum-subsets
730,Count Different Palindromic Subsequences,41.8%,Hard,1.0003738490846965, https://leetcode.com/problems/count-different-palindromic-subsequences
65,Valid Number,15.3%,Hard,0.98227329658396, https://leetcode.com/problems/valid-number
671,Second Minimum Node In a Binary Tree,42.7%,Easy,0.904813710696626, https://leetcode.com/problems/second-minimum-node-in-a-binary-tree
380,Insert Delete GetRandom O(1),47.5%,Medium,0.8842506895781851, https://leetcode.com/problems/insert-delete-getrandom-o1
265,Paint House II,44.6%,Hard,0.8788156207076087, https://leetcode.com/problems/paint-house-ii
297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.7885864842588262, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
373,Find K Pairs with Smallest Sums,36.7%,Medium,0.7534978029618075, https://leetcode.com/problems/find-k-pairs-with-smallest-sums
235,Lowest Common Ancestor of a Binary Search Tree,49.9%,Easy,0.6923217574837778, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
261,Graph Valid Tree,42.2%,Medium,0.661701044953794, https://leetcode.com/problems/graph-valid-tree
76,Minimum Window Substring,34.6%,Hard,0.641927908156958, https://leetcode.com/problems/minimum-window-substring
611,Valid Triangle Number,48.4%,Medium,0.6315030174487386, https://leetcode.com/problems/valid-triangle-number
205,Isomorphic Strings,39.8%,Easy,0.6091659093074805, https://leetcode.com/problems/isomorphic-strings
152,Maximum Product Subarray,31.7%,Medium,0.5918273884045084, https://leetcode.com/problems/maximum-product-subarray
341,Flatten Nested List Iterator,52.9%,Medium,0.5461187395622055, https://leetcode.com/problems/flatten-nested-list-iterator
53,Maximum Subarray,46.5%,Easy,0.5323304442417232, https://leetcode.com/problems/maximum-subarray
57,Insert Interval,33.5%,Hard,0.4990029568338001, https://leetcode.com/problems/insert-interval
636,Exclusive Time of Functions,51.9%,Medium,0.49627524402791723, https://leetcode.com/problems/exclusive-time-of-functions
277,Find the Celebrity,41.8%,Medium,0.47648222098694015, https://leetcode.com/problems/find-the-celebrity
127,Word Ladder,29.6%,Medium,0.46981620538612967, https://leetcode.com/problems/word-ladder
72,Edit Distance,44.8%,Hard,0.4487306287546189, https://leetcode.com/problems/edit-distance
1117,Building H2O,52.6%,Medium,0.43571951646596674, https://leetcode.com/problems/building-h2o
706,Design HashMap,61.3%,Easy,0.3660911265048934, https://leetcode.com/problems/design-hashmap
715,Range Module,38.5%,Hard,0.33647223662121295, https://leetcode.com/problems/range-module
20,Valid Parentheses,39.0%,Easy,0.32875969157833257, https://leetcode.com/problems/valid-parentheses
56,Merge Intervals,39.3%,Medium,0.324649020144345, https://leetcode.com/problems/merge-intervals
236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.32407608535777543, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
200,Number of Islands,46.8%,Medium,0.3240548843543058, https://leetcode.com/problems/number-of-islands
381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.32306557634109756, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
273,Integer to English Words,27.1%,Hard,0.3131081243495928, https://leetcode.com/problems/integer-to-english-words
879,Profitable Schemes,39.8%,Hard,0.2856138193877219, https://leetcode.com/problems/profitable-schemes
102,Binary Tree Level Order Traversal,54.6%,Medium,0.28444131830888175, https://leetcode.com/problems/binary-tree-level-order-traversal
47,Permutations II,46.4%,Medium,0.2577738774664557, https://leetcode.com/problems/permutations-ii
470,Implement Rand10() Using Rand7(),46.3%,Medium,0.2553466918088445, https://leetcode.com/problems/implement-rand10-using-rand7
460,LFU Cache,34.2%,Hard,0.24921579162398486, https://leetcode.com/problems/lfu-cache
215,Kth Largest Element in an Array,55.4%,Medium,0.24881320355240788, https://leetcode.com/problems/kth-largest-element-in-an-array
655,Print Binary Tree,55.0%,Medium,0.23545681154756673, https://leetcode.com/problems/print-binary-tree
1188,Design Bounded Blocking Queue,70.5%,Medium,0.23300728083654992, https://leetcode.com/problems/design-bounded-blocking-queue
464,Can I Win,28.8%,Medium,0.2228314901476892, https://leetcode.com/problems/can-i-win
516,Longest Palindromic Subsequence,53.2%,Medium,0.2156692799855616, https://leetcode.com/problems/longest-palindromic-subsequence
33,Search in Rotated Sorted Array,34.5%,Medium,0.21005273947217698, https://leetcode.com/problems/search-in-rotated-sorted-array
46,Permutations,63.5%,Medium,0.18816690901782251, https://leetcode.com/problems/permutations
449,Serialize and Deserialize BST,52.0%,Medium,0.1860058460684763, https://leetcode.com/problems/serialize-and-deserialize-bst
547,Friend Circles,58.6%,Medium,0.17970355268064825, https://leetcode.com/problems/friend-circles
739,Daily Temperatures,63.3%,Medium,0.14956674442158685, https://leetcode.com/problems/daily-temperatures
34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.14257571553993023, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
428,Serialize and Deserialize N-ary Tree,59.4%,Hard,0.13313574474596881, https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
367,Valid Perfect Square,41.7%,Easy,0.1274707680128316, https://leetcode.com/problems/valid-perfect-square
50,Pow(x, n),30.3%,Medium,0.11919639741435266, https://leetcode.com/problems/powx-n
101,Symmetric Tree,46.8%,Easy,0.11583847861592966, https://leetcode.com/problems/symmetric-tree
61,Rotate List,30.0%,Medium,0.11528615545779625, https://leetcode.com/problems/rotate-list
721,Accounts Merge,48.8%,Medium,0.11257939199174459, https://leetcode.com/problems/accounts-merge
296,Best Meeting Point,57.5%,Hard,0.11216225709564905, https://leetcode.com/problems/best-meeting-point
349,Intersection of Two Arrays,62.5%,Easy,0.11013353452843663, https://leetcode.com/problems/intersection-of-two-arrays
126,Word Ladder II,22.1%,Hard,0.10749169745614619, https://leetcode.com/problems/word-ladder-ii
1028,Recover a Tree From Preorder Traversal,69.9%,Hard,0.10734155493596446, https://leetcode.com/problems/recover-a-tree-from-preorder-traversal
744,Find Smallest Letter Greater Than Target,45.4%,Easy,0.10446541455492596, https://leetcode.com/problems/find-smallest-letter-greater-than-target
796,Rotate String,49.6%,Easy,0.10392210998497661, https://leetcode.com/problems/rotate-string
12,Integer to Roman,55.1%,Medium,0.09981819303484349, https://leetcode.com/problems/integer-to-roman
69,Sqrt(x),33.9%,Easy,0.09855995053811686, https://leetcode.com/problems/sqrtx
104,Maximum Depth of Binary Tree,66.0%,Easy,0.09576690509200843, https://leetcode.com/problems/maximum-depth-of-binary-tree
1,Two Sum,45.6%,Easy,0.08664530282302181, https://leetcode.com/problems/two-sum
322,Coin Change,35.5%,Medium,0.07859731751631634, https://leetcode.com/problems/coin-change
160,Intersection of Two Linked Lists,40.6%,Easy,0.07567727378601781, https://leetcode.com/problems/intersection-of-two-linked-lists
88,Merge Sorted Array,39.4%,Easy,0.0726641464118391, https://leetcode.com/problems/merge-sorted-array
1042,Flower Planting With No Adjacent,48.5%,Easy,0.07249550203815351, https://leetcode.com/problems/flower-planting-with-no-adjacent
450,Delete Node in a BST,43.1%,Medium,0.07216836682371046, https://leetcode.com/problems/delete-node-in-a-bst
1148,Article Views I,75.8%,Easy,0.0715869066639981, https://leetcode.com/problems/article-views-i
187,Repeated DNA Sequences,38.9%,Medium,0.06947237281476738, https://leetcode.com/problems/repeated-dna-sequences
323,Number of Connected Components in an Undirected Graph,56.0%,Medium,0.06931179989022884, https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph
528,Random Pick with Weight,43.9%,Medium,0.05805039128849884, https://leetcode.com/problems/random-pick-with-weight
13,Roman to Integer,55.7%,Easy,0.05349762932680746, https://leetcode.com/problems/roman-to-integer
451,Sort Characters By Frequency,63.0%,Medium,0.05160771036247213, https://leetcode.com/problems/sort-characters-by-frequency
39,Combination Sum,56.1%,Medium,0.05030398316850793, https://leetcode.com/problems/combination-sum
412,Fizz Buzz,62.3%,Easy,0.04396698989626337, https://leetcode.com/problems/fizz-buzz
146,LRU Cache,33.2%,Medium,0.040660598211268925, https://leetcode.com/problems/lru-cache
833,Find And Replace in String,50.4%,Medium,0.03984590854719967, https://leetcode.com/problems/find-and-replace-in-string
40,Combination Sum II,48.2%,Medium,0.037775974158907266, https://leetcode.com/problems/combination-sum-ii
23,Merge k Sorted Lists,40.2%,Hard,0.035885441255624394, https://leetcode.com/problems/merge-k-sorted-lists
103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.03403976010989293, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
8,String to Integer (atoi),15.4%,Medium,0.03362603162985522, https://leetcode.com/problems/string-to-integer-atoi
173,Binary Search Tree Iterator,56.6%,Medium,0.03353206029057467, https://leetcode.com/problems/binary-search-tree-iterator
75,Sort Colors,47.3%,Medium,0.030801991570373215, https://leetcode.com/problems/sort-colors
362,Design Hit Counter,63.7%,Medium,0.025382073271417165, https://leetcode.com/problems/design-hit-counter
785,Is Graph Bipartite?,47.5%,Medium,0.02510592113107633, https://leetcode.com/problems/is-graph-bipartite
981,Time Based Key-Value Store,53.1%,Medium,0.02226024024151985, https://leetcode.com/problems/time-based-key-value-store
359,Logger Rate Limiter,70.8%,Easy,0.021053409197832343, https://leetcode.com/problems/logger-rate-limiter
350,Intersection of Two Arrays II,51.4%,Easy,0.020680587107206983, https://leetcode.com/problems/intersection-of-two-arrays-ii
270,Closest Binary Search Tree Value,48.5%,Easy,0.017123706078591462, https://leetcode.com/problems/closest-binary-search-tree-value
384,Shuffle an Array,52.8%,Medium,0.015250009609723824, https://leetcode.com/problems/shuffle-an-array
54,Spiral Matrix,34.1%,Medium,0.014776167707688753, https://leetcode.com/problems/spiral-matrix
973,K Closest Points to Origin,63.8%,Medium,0.012944233661064114, https://leetcode.com/problems/k-closest-points-to-origin
987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.011601058182762062, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
207,Course Schedule,43.1%,Medium,0.01113459480911671, https://leetcode.com/problems/course-schedule
113,Path Sum II,46.7%,Medium,0.009784813879998279, https://leetcode.com/problems/path-sum-ii
279,Perfect Squares,47.4%,Medium,0.009216655104924008, https://leetcode.com/problems/perfect-squares
198,House Robber,42.0%,Easy,0.008434914115059812, https://leetcode.com/problems/house-robber
133,Clone Graph,34.8%,Medium,0.008136741393061732, https://leetcode.com/problems/clone-graph
141,Linked List Cycle,41.1%,Easy,0.007843861028908454, https://leetcode.com/problems/linked-list-cycle
240,Search a 2D Matrix II,43.2%,Medium,0.0075829747244553335, https://leetcode.com/problems/search-a-2d-matrix-ii
692,Top K Frequent Words,51.8%,Medium,0.007516006820935329, https://leetcode.com/problems/top-k-frequent-words
142,Linked List Cycle II,37.3%,Medium,0.006564934131150057, https://leetcode.com/problems/linked-list-cycle-ii
21,Merge Two Sorted Lists,53.5%,Easy,0.005067007800877041, https://leetcode.com/problems/merge-two-sorted-lists
155,Min Stack,44.5%,Easy,0.00474891074128171, https://leetcode.com/problems/min-stack
560,Subarray Sum Equals K,43.9%,Medium,0.004279454482267064, https://leetcode.com/problems/subarray-sum-equals-k
387,First Unique Character in a String,53.4%,Easy,0.00418541994270691, https://leetcode.com/problems/first-unique-character-in-a-string
125,Valid Palindrome,36.7%,Easy,0.0039805008274065926, https://leetcode.com/problems/valid-palindrome
100,Same Tree,53.4%,Easy,0.003165227373565798, https://leetcode.com/problems/same-tree
98,Validate Binary Search Tree,27.8%,Medium,0.002943776044013381, https://leetcode.com/problems/validate-binary-search-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
79,Word Search,35.6%,Medium,0.0016647248725526849, https://leetcode.com/problems/word-search
70,Climbing Stairs,47.8%,Easy,0.0015084665529624085, https://leetcode.com/problems/climbing-stairs
347,Top K Frequent Elements,61.2%,Medium,0.0014856636219477439, https://leetcode.com/problems/top-k-frequent-elements
1 364 Nested List Weight Sum II 62.8% Medium 3.4314026516185074 https://leetcode.com/problems/nested-list-weight-sum-ii
2 244 Shortest Word Distance II 52.3% Medium 3.3074402860776226 https://leetcode.com/problems/shortest-word-distance-ii
3 272 Closest Binary Search Tree Value II 50.5% Hard 3.009985507576158 https://leetcode.com/problems/closest-binary-search-tree-value-ii
4 716 Max Stack 42.6% Easy 2.8905651319656047 https://leetcode.com/problems/max-stack
5 366 Find Leaves of Binary Tree 70.6% Medium 2.719366575451067 https://leetcode.com/problems/find-leaves-of-binary-tree
6 170 Two Sum III - Data structure design 33.5% Easy 2.4219117969496025 https://leetcode.com/problems/two-sum-iii-data-structure-design
7 432 All O`one Data Structure 32.4% Hard 2.34464696026554 https://leetcode.com/problems/all-oone-data-structure
8 605 Can Place Flowers 31.6% Easy 2.300593060462805 https://leetcode.com/problems/can-place-flowers
9 339 Nested List Weight Sum 74.0% Easy 2.217225244042889 https://leetcode.com/problems/nested-list-weight-sum
10 254 Factor Combinations 46.7% Medium 2.157039260360306 https://leetcode.com/problems/factor-combinations
11 156 Binary Tree Upside Down 55.0% Medium 1.9388429818322208 https://leetcode.com/problems/binary-tree-upside-down
12 243 Shortest Word Distance 61.0% Easy 1.6413882033307563 https://leetcode.com/problems/shortest-word-distance
13 150 Evaluate Reverse Polish Notation 36.3% Medium 1.631958216745279 https://leetcode.com/problems/evaluate-reverse-polish-notation
14 256 Paint House 52.1% Easy 1.447627449136699 https://leetcode.com/problems/paint-house
15 68 Text Justification 27.7% Hard 1.2612363282688142 https://leetcode.com/problems/text-justification
16 149 Max Points on a Line 16.9% Hard 1.0358890301947536 https://leetcode.com/problems/max-points-on-a-line
17 698 Partition to K Equal Sum Subsets 45.0% Medium 1.0032310331325633 https://leetcode.com/problems/partition-to-k-equal-sum-subsets
18 730 Count Different Palindromic Subsequences 41.8% Hard 1.0003738490846965 https://leetcode.com/problems/count-different-palindromic-subsequences
19 65 Valid Number 15.3% Hard 0.98227329658396 https://leetcode.com/problems/valid-number
20 671 Second Minimum Node In a Binary Tree 42.7% Easy 0.904813710696626 https://leetcode.com/problems/second-minimum-node-in-a-binary-tree
21 380 Insert Delete GetRandom O(1) 47.5% Medium 0.8842506895781851 https://leetcode.com/problems/insert-delete-getrandom-o1
22 265 Paint House II 44.6% Hard 0.8788156207076087 https://leetcode.com/problems/paint-house-ii
23 297 Serialize and Deserialize Binary Tree 47.5% Hard 0.7885864842588262 https://leetcode.com/problems/serialize-and-deserialize-binary-tree
24 373 Find K Pairs with Smallest Sums 36.7% Medium 0.7534978029618075 https://leetcode.com/problems/find-k-pairs-with-smallest-sums
25 235 Lowest Common Ancestor of a Binary Search Tree 49.9% Easy 0.6923217574837778 https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
26 261 Graph Valid Tree 42.2% Medium 0.661701044953794 https://leetcode.com/problems/graph-valid-tree
27 76 Minimum Window Substring 34.6% Hard 0.641927908156958 https://leetcode.com/problems/minimum-window-substring
28 611 Valid Triangle Number 48.4% Medium 0.6315030174487386 https://leetcode.com/problems/valid-triangle-number
29 205 Isomorphic Strings 39.8% Easy 0.6091659093074805 https://leetcode.com/problems/isomorphic-strings
30 152 Maximum Product Subarray 31.7% Medium 0.5918273884045084 https://leetcode.com/problems/maximum-product-subarray
31 341 Flatten Nested List Iterator 52.9% Medium 0.5461187395622055 https://leetcode.com/problems/flatten-nested-list-iterator
32 53 Maximum Subarray 46.5% Easy 0.5323304442417232 https://leetcode.com/problems/maximum-subarray
33 57 Insert Interval 33.5% Hard 0.4990029568338001 https://leetcode.com/problems/insert-interval
34 636 Exclusive Time of Functions 51.9% Medium 0.49627524402791723 https://leetcode.com/problems/exclusive-time-of-functions
35 277 Find the Celebrity 41.8% Medium 0.47648222098694015 https://leetcode.com/problems/find-the-celebrity
36 127 Word Ladder 29.6% Medium 0.46981620538612967 https://leetcode.com/problems/word-ladder
37 72 Edit Distance 44.8% Hard 0.4487306287546189 https://leetcode.com/problems/edit-distance
38 1117 Building H2O 52.6% Medium 0.43571951646596674 https://leetcode.com/problems/building-h2o
39 706 Design HashMap 61.3% Easy 0.3660911265048934 https://leetcode.com/problems/design-hashmap
40 715 Range Module 38.5% Hard 0.33647223662121295 https://leetcode.com/problems/range-module
41 20 Valid Parentheses 39.0% Easy 0.32875969157833257 https://leetcode.com/problems/valid-parentheses
42 56 Merge Intervals 39.3% Medium 0.324649020144345 https://leetcode.com/problems/merge-intervals
43 236 Lowest Common Ancestor of a Binary Tree 45.7% Medium 0.32407608535777543 https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
44 200 Number of Islands 46.8% Medium 0.3240548843543058 https://leetcode.com/problems/number-of-islands
45 381 Insert Delete GetRandom O(1) - Duplicates allowed 34.1% Hard 0.32306557634109756 https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
46 273 Integer to English Words 27.1% Hard 0.3131081243495928 https://leetcode.com/problems/integer-to-english-words
47 879 Profitable Schemes 39.8% Hard 0.2856138193877219 https://leetcode.com/problems/profitable-schemes
48 102 Binary Tree Level Order Traversal 54.6% Medium 0.28444131830888175 https://leetcode.com/problems/binary-tree-level-order-traversal
49 47 Permutations II 46.4% Medium 0.2577738774664557 https://leetcode.com/problems/permutations-ii
50 470 Implement Rand10() Using Rand7() 46.3% Medium 0.2553466918088445 https://leetcode.com/problems/implement-rand10-using-rand7
51 460 LFU Cache 34.2% Hard 0.24921579162398486 https://leetcode.com/problems/lfu-cache
52 215 Kth Largest Element in an Array 55.4% Medium 0.24881320355240788 https://leetcode.com/problems/kth-largest-element-in-an-array
53 655 Print Binary Tree 55.0% Medium 0.23545681154756673 https://leetcode.com/problems/print-binary-tree
54 1188 Design Bounded Blocking Queue 70.5% Medium 0.23300728083654992 https://leetcode.com/problems/design-bounded-blocking-queue
55 464 Can I Win 28.8% Medium 0.2228314901476892 https://leetcode.com/problems/can-i-win
56 516 Longest Palindromic Subsequence 53.2% Medium 0.2156692799855616 https://leetcode.com/problems/longest-palindromic-subsequence
57 33 Search in Rotated Sorted Array 34.5% Medium 0.21005273947217698 https://leetcode.com/problems/search-in-rotated-sorted-array
58 46 Permutations 63.5% Medium 0.18816690901782251 https://leetcode.com/problems/permutations
59 449 Serialize and Deserialize BST 52.0% Medium 0.1860058460684763 https://leetcode.com/problems/serialize-and-deserialize-bst
60 547 Friend Circles 58.6% Medium 0.17970355268064825 https://leetcode.com/problems/friend-circles
61 739 Daily Temperatures 63.3% Medium 0.14956674442158685 https://leetcode.com/problems/daily-temperatures
62 34 Find First and Last Position of Element in Sorted Array 36.2% Medium 0.14257571553993023 https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
63 428 Serialize and Deserialize N-ary Tree 59.4% Hard 0.13313574474596881 https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
64 367 Valid Perfect Square 41.7% Easy 0.1274707680128316 https://leetcode.com/problems/valid-perfect-square
65 50 Pow(x n) 30.3% Medium 0.11919639741435266 https://leetcode.com/problems/powx-n
66 101 Symmetric Tree 46.8% Easy 0.11583847861592966 https://leetcode.com/problems/symmetric-tree
67 61 Rotate List 30.0% Medium 0.11528615545779625 https://leetcode.com/problems/rotate-list
68 721 Accounts Merge 48.8% Medium 0.11257939199174459 https://leetcode.com/problems/accounts-merge
69 296 Best Meeting Point 57.5% Hard 0.11216225709564905 https://leetcode.com/problems/best-meeting-point
70 349 Intersection of Two Arrays 62.5% Easy 0.11013353452843663 https://leetcode.com/problems/intersection-of-two-arrays
71 126 Word Ladder II 22.1% Hard 0.10749169745614619 https://leetcode.com/problems/word-ladder-ii
72 1028 Recover a Tree From Preorder Traversal 69.9% Hard 0.10734155493596446 https://leetcode.com/problems/recover-a-tree-from-preorder-traversal
73 744 Find Smallest Letter Greater Than Target 45.4% Easy 0.10446541455492596 https://leetcode.com/problems/find-smallest-letter-greater-than-target
74 796 Rotate String 49.6% Easy 0.10392210998497661 https://leetcode.com/problems/rotate-string
75 12 Integer to Roman 55.1% Medium 0.09981819303484349 https://leetcode.com/problems/integer-to-roman
76 69 Sqrt(x) 33.9% Easy 0.09855995053811686 https://leetcode.com/problems/sqrtx
77 104 Maximum Depth of Binary Tree 66.0% Easy 0.09576690509200843 https://leetcode.com/problems/maximum-depth-of-binary-tree
78 1 Two Sum 45.6% Easy 0.08664530282302181 https://leetcode.com/problems/two-sum
79 322 Coin Change 35.5% Medium 0.07859731751631634 https://leetcode.com/problems/coin-change
80 160 Intersection of Two Linked Lists 40.6% Easy 0.07567727378601781 https://leetcode.com/problems/intersection-of-two-linked-lists
81 88 Merge Sorted Array 39.4% Easy 0.0726641464118391 https://leetcode.com/problems/merge-sorted-array
82 1042 Flower Planting With No Adjacent 48.5% Easy 0.07249550203815351 https://leetcode.com/problems/flower-planting-with-no-adjacent
83 450 Delete Node in a BST 43.1% Medium 0.07216836682371046 https://leetcode.com/problems/delete-node-in-a-bst
84 1148 Article Views I 75.8% Easy 0.0715869066639981 https://leetcode.com/problems/article-views-i
85 187 Repeated DNA Sequences 38.9% Medium 0.06947237281476738 https://leetcode.com/problems/repeated-dna-sequences
86 323 Number of Connected Components in an Undirected Graph 56.0% Medium 0.06931179989022884 https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph
87 528 Random Pick with Weight 43.9% Medium 0.05805039128849884 https://leetcode.com/problems/random-pick-with-weight
88 13 Roman to Integer 55.7% Easy 0.05349762932680746 https://leetcode.com/problems/roman-to-integer
89 451 Sort Characters By Frequency 63.0% Medium 0.05160771036247213 https://leetcode.com/problems/sort-characters-by-frequency
90 39 Combination Sum 56.1% Medium 0.05030398316850793 https://leetcode.com/problems/combination-sum
91 412 Fizz Buzz 62.3% Easy 0.04396698989626337 https://leetcode.com/problems/fizz-buzz
92 146 LRU Cache 33.2% Medium 0.040660598211268925 https://leetcode.com/problems/lru-cache
93 833 Find And Replace in String 50.4% Medium 0.03984590854719967 https://leetcode.com/problems/find-and-replace-in-string
94 40 Combination Sum II 48.2% Medium 0.037775974158907266 https://leetcode.com/problems/combination-sum-ii
95 23 Merge k Sorted Lists 40.2% Hard 0.035885441255624394 https://leetcode.com/problems/merge-k-sorted-lists
96 103 Binary Tree Zigzag Level Order Traversal 48.3% Medium 0.03403976010989293 https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
97 8 String to Integer (atoi) 15.4% Medium 0.03362603162985522 https://leetcode.com/problems/string-to-integer-atoi
98 173 Binary Search Tree Iterator 56.6% Medium 0.03353206029057467 https://leetcode.com/problems/binary-search-tree-iterator
99 75 Sort Colors 47.3% Medium 0.030801991570373215 https://leetcode.com/problems/sort-colors
100 362 Design Hit Counter 63.7% Medium 0.025382073271417165 https://leetcode.com/problems/design-hit-counter
101 785 Is Graph Bipartite? 47.5% Medium 0.02510592113107633 https://leetcode.com/problems/is-graph-bipartite
102 981 Time Based Key-Value Store 53.1% Medium 0.02226024024151985 https://leetcode.com/problems/time-based-key-value-store
103 359 Logger Rate Limiter 70.8% Easy 0.021053409197832343 https://leetcode.com/problems/logger-rate-limiter
104 350 Intersection of Two Arrays II 51.4% Easy 0.020680587107206983 https://leetcode.com/problems/intersection-of-two-arrays-ii
105 270 Closest Binary Search Tree Value 48.5% Easy 0.017123706078591462 https://leetcode.com/problems/closest-binary-search-tree-value
106 384 Shuffle an Array 52.8% Medium 0.015250009609723824 https://leetcode.com/problems/shuffle-an-array
107 54 Spiral Matrix 34.1% Medium 0.014776167707688753 https://leetcode.com/problems/spiral-matrix
108 973 K Closest Points to Origin 63.8% Medium 0.012944233661064114 https://leetcode.com/problems/k-closest-points-to-origin
109 987 Vertical Order Traversal of a Binary Tree 36.6% Medium 0.011601058182762062 https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
110 207 Course Schedule 43.1% Medium 0.01113459480911671 https://leetcode.com/problems/course-schedule
111 113 Path Sum II 46.7% Medium 0.009784813879998279 https://leetcode.com/problems/path-sum-ii
112 279 Perfect Squares 47.4% Medium 0.009216655104924008 https://leetcode.com/problems/perfect-squares
113 198 House Robber 42.0% Easy 0.008434914115059812 https://leetcode.com/problems/house-robber
114 133 Clone Graph 34.8% Medium 0.008136741393061732 https://leetcode.com/problems/clone-graph
115 141 Linked List Cycle 41.1% Easy 0.007843861028908454 https://leetcode.com/problems/linked-list-cycle
116 240 Search a 2D Matrix II 43.2% Medium 0.0075829747244553335 https://leetcode.com/problems/search-a-2d-matrix-ii
117 692 Top K Frequent Words 51.8% Medium 0.007516006820935329 https://leetcode.com/problems/top-k-frequent-words
118 142 Linked List Cycle II 37.3% Medium 0.006564934131150057 https://leetcode.com/problems/linked-list-cycle-ii
119 21 Merge Two Sorted Lists 53.5% Easy 0.005067007800877041 https://leetcode.com/problems/merge-two-sorted-lists
120 155 Min Stack 44.5% Easy 0.00474891074128171 https://leetcode.com/problems/min-stack
121 560 Subarray Sum Equals K 43.9% Medium 0.004279454482267064 https://leetcode.com/problems/subarray-sum-equals-k
122 387 First Unique Character in a String 53.4% Easy 0.00418541994270691 https://leetcode.com/problems/first-unique-character-in-a-string
123 125 Valid Palindrome 36.7% Easy 0.0039805008274065926 https://leetcode.com/problems/valid-palindrome
124 100 Same Tree 53.4% Easy 0.003165227373565798 https://leetcode.com/problems/same-tree
125 98 Validate Binary Search Tree 27.8% Medium 0.002943776044013381 https://leetcode.com/problems/validate-binary-search-tree
126 121 Best Time to Buy and Sell Stock 50.5% Easy 0.0021239321954525975 https://leetcode.com/problems/best-time-to-buy-and-sell-stock
127 79 Word Search 35.6% Medium 0.0016647248725526849 https://leetcode.com/problems/word-search
128 70 Climbing Stairs 47.8% Easy 0.0015084665529624085 https://leetcode.com/problems/climbing-stairs
129 347 Top K Frequent Elements 61.2% Medium 0.0014856636219477439 https://leetcode.com/problems/top-k-frequent-elements