|
103 |
Binary Tree Zigzag Level Order Traversal |
43.1% |
Medium |
|
33 |
Search in Rotated Sorted Array |
33.1% |
Medium |
|
75 |
Sort Colors |
43.1% |
Medium |
|
445 |
Add Two Numbers II |
51.1% |
Medium |
|
13 |
Roman to Integer |
53.2% |
Easy |
|
23 |
Merge k Sorted Lists |
35.9% |
Hard |
|
8 |
String to Integer (atoi) |
14.8% |
Medium |
|
133 |
Clone Graph |
28.2% |
Medium |
|
402 |
Remove K Digits |
27.0% |
Medium |
|
19 |
Remove Nth Node From End of List |
34.6% |
Medium |
|
7 |
Reverse Integer |
25.5% |
Easy |
|
138 |
Copy List with Random Pointer |
28.6% |
Medium |
|
1 |
Two Sum |
44.5% |
Easy |
|
43 |
Multiply Strings |
31.5% |
Medium |
|
415 |
Add Strings |
44.4% |
Easy |
|
230 |
Kth Smallest Element in a BST |
53.1% |
Medium |
|
127 |
Word Ladder |
25.3% |
Medium |
|
5 |
Longest Palindromic Substring |
27.8% |
Medium |
|
557 |
Reverse Words in a String III |
65.2% |
Easy |
|
54 |
Spiral Matrix |
31.3% |
Medium |
|
17 |
Letter Combinations of a Phone Number |
42.8% |
Medium |
|
346 |
Moving Average from Data Stream |
67.3% |
Easy |
|
2 |
Add Two Numbers |
31.7% |
Medium |
|
636 |
Exclusive Time of Functions |
49.3% |
Medium |
|
443 |
String Compression |
38.3% |
Easy |
|
53 |
Maximum Subarray |
44.4% |
Easy |
|
168 |
Excel Sheet Column Title |
29.5% |
Easy |
|
42 |
Trapping Rain Water |
44.5% |
Hard |
|
273 |
Integer to English Words |
24.8% |
Hard |
|
146 |
LRU Cache |
27.1% |
Medium |
|
277 |
Find the Celebrity |
38.0% |
Medium |
|
692 |
Top K Frequent Words |
46.9% |
Medium |
|
253 |
Meeting Rooms II |
43.5% |
Medium |
|
206 |
Reverse Linked List |
56.6% |
Easy |
|
24 |
Swap Nodes in Pairs |
46.2% |
Medium |
|
21 |
Merge Two Sorted Lists |
48.7% |
Easy |
|
72 |
Edit Distance |
39.2% |
Hard |
|
56 |
Merge Intervals |
36.5% |
Medium |
|
229 |
Majority Element II |
33.0% |
Medium |
|
283 |
Move Zeroes |
55.1% |
Easy |
|
212 |
Word Search II |
29.8% |
Hard |
|
88 |
Merge Sorted Array |
36.7% |
Easy |
|
328 |
Odd Even Linked List |
50.3% |
Medium |
|
68 |
Text Justification |
24.2% |
Hard |
|
11 |
Container With Most Water |
46.5% |
Medium |
|
124 |
Binary Tree Maximum Path Sum |
30.8% |
Hard |
|
46 |
Permutations |
57.2% |
Medium |
|
200 |
Number of Islands |
42.7% |
Medium |
|
102 |
Binary Tree Level Order Traversal |
49.9% |
Medium |
|
15 |
3Sum |
24.7% |
Medium |
|
79 |
Word Search |
32.2% |
Medium |
|
105 |
Construct Binary Tree from Preorder and Inorder Traversal |
42.9% |
Medium |
|
49 |
Group Anagrams |
49.0% |
Medium |
|
59 |
Spiral Matrix II |
48.1% |
Medium |
|
210 |
Course Schedule II |
36.1% |
Medium |
|
4 |
Median of Two Sorted Arrays |
27.2% |
Hard |
|
3 |
Longest Substring Without Repeating Characters |
28.8% |
Medium |
|
78 |
Subsets |
54.8% |
Medium |
|
151 |
Reverse Words in a String |
17.7% |
Medium |
|
235 |
Lowest Common Ancestor of a Binary Search Tree |
46.0% |
Easy |
|
236 |
Lowest Common Ancestor of a Binary Tree |
39.3% |
Medium |
|
165 |
Compare Version Numbers |
24.5% |
Medium |
|
117 |
Populating Next Right Pointers in Each Node II |
35.4% |
Medium |
|
20 |
Valid Parentheses |
37.2% |
Easy |
|
722 |
Remove Comments |
31.8% |
Medium |
|
121 |
Best Time to Buy and Sell Stock |
48.1% |
Easy |
|
25 |
Reverse Nodes in k-Group |
37.7% |
Hard |
|
36 |
Valid Sudoku |
44.5% |
Medium |
|
71 |
Simplify Path |
29.5% |
Medium |
|
160 |
Intersection of Two Linked Lists |
35.4% |
Easy |
|
10 |
Regular Expression Matching |
25.6% |
Hard |
|
642 |
Design Search Autocomplete System |
39.4% |
Hard |
|
234 |
Palindrome Linked List |
36.9% |
Easy |
|
112 |
Path Sum |
38.6% |
Easy |
|
139 |
Word Break |
36.4% |
Medium |
|
134 |
Gas Station |
34.9% |
Medium |
|
240 |
Search a 2D Matrix II |
41.3% |
Medium |
|
348 |
Design Tic-Tac-Toe |
50.8% |
Medium |
|
237 |
Delete Node in a Linked List |
55.3% |
Easy |
|
179 |
Largest Number |
26.5% |
Medium |
|
287 |
Find the Duplicate Number |
50.9% |
Medium |
|
242 |
Valid Anagram |
53.4% |
Easy |
|
322 |
Coin Change |
31.7% |
Medium |
|
92 |
Reverse Linked List II |
35.9% |
Medium |
|
28 |
Implement strStr() |
32.8% |
Easy |
|
186 |
Reverse Words in a String II |
39.0% |
Medium |
|
535 |
Encode and Decode TinyURL |
77.5% |
Medium |
|
153 |
Find Minimum in Rotated Sorted Array |
43.5% |
Medium |
|
367 |
Valid Perfect Square |
40.3% |
Easy |
|
125 |
Valid Palindrome |
32.2% |
Easy |
|
108 |
Convert Sorted Array to Binary Search Tree |
52.5% |
Easy |
|
98 |
Validate Binary Search Tree |
26.2% |
Medium |
|
44 |
Wildcard Matching |
23.3% |
Hard |
|
37 |
Sudoku Solver |
38.6% |
Hard |
|
224 |
Basic Calculator |
33.8% |
Hard |
|
141 |
Linked List Cycle |
38.0% |
Easy |
|
48 |
Rotate Image |
50.4% |
Medium |
|
22 |
Generate Parentheses |
56.8% |
Medium |
|
57 |
Insert Interval |
31.7% |
Hard |
|
238 |
Product of Array Except Self |
56.4% |
Medium |
|
297 |
Serialize and Deserialize Binary Tree |
42.4% |
Hard |
|
148 |
Sort List |
37.0% |
Medium |
|
647 |
Palindromic Substrings |
57.8% |
Medium |
|
347 |
Top K Frequent Elements |
56.4% |
Medium |
|
41 |
First Missing Positive |
29.6% |
Hard |
|
295 |
Find Median from Data Stream |
38.3% |
Hard |
|
688 |
Knight Probability in Chessboard |
45.4% |
Medium |
|
225 |
Implement Stack using Queues |
40.6% |
Easy |
|
269 |
Alien Dictionary |
32.0% |
Hard |
|
380 |
Insert Delete GetRandom O(1) |
43.6% |
Medium |
|
285 |
Inorder Successor in BST |
36.0% |
Medium |
|
94 |
Binary Tree Inorder Traversal |
58.3% |
Medium |
|
51 |
N-Queens |
41.2% |
Hard |
|
529 |
Minesweeper |
54.3% |
Medium |
|
76 |
Minimum Window Substring |
31.8% |
Hard |
|
173 |
Binary Search Tree Iterator |
50.2% |
Medium |
|
215 |
Kth Largest Element in an Array |
49.5% |
Medium |
|
60 |
Permutation Sequence |
34.0% |
Medium |
|
91 |
Decode Ways |
22.8% |
Medium |
|
344 |
Reverse String |
64.0% |
Easy |
|
300 |
Longest Increasing Subsequence |
41.3% |
Medium |
|
208 |
Implement Trie (Prefix Tree) |
40.3% |
Medium |
|
61 |
Rotate List |
27.9% |
Medium |
|
81 |
Search in Rotated Sorted Array II |
32.7% |
Medium |
|
69 |
Sqrt(x) |
32.0% |
Easy |
|
523 |
Continuous Subarray Sum |
24.2% |
Medium |
|
304 |
Range Sum Query 2D - Immutable |
33.9% |
Medium |
|
114 |
Flatten Binary Tree to Linked List |
43.9% |
Medium |
|
167 |
Two Sum II - Input array is sorted |
51.3% |
Easy |
|
110 |
Balanced Binary Tree |
41.6% |
Easy |
|
31 |
Next Permutation |
31.0% |
Medium |
|
417 |
Pacific Atlantic Water Flow |
38.2% |
Medium |
|
73 |
Set Matrix Zeroes |
40.7% |
Medium |
|
150 |
Evaluate Reverse Polish Notation |
33.3% |
Medium |
|
239 |
Sliding Window Maximum |
39.2% |
Hard |
|
86 |
Partition List |
38.3% |
Medium |
|
26 |
Remove Duplicates from Sorted Array |
41.8% |
Easy |
|
227 |
Basic Calculator II |
34.4% |
Medium |
|
176 |
Second Highest Salary |
28.2% |
Easy |
|
155 |
Min Stack |
38.5% |
Easy |
|
118 |
Pascal’s Triangle |
47.7% |
Easy |
|
85 |
Maximal Rectangle |
34.4% |
Hard |
|
97 |
Interleaving String |
28.8% |
Hard |
|
93 |
Restore IP Addresses |
32.3% |
Medium |
|
143 |
Reorder List |
32.1% |
Medium |
|
387 |
First Unique Character in a String |
50.6% |
Easy |
|
74 |
Search a 2D Matrix |
35.2% |
Medium |
|
378 |
Kth Smallest Element in a Sorted Matrix |
50.5% |
Medium |
|
123 |
Best Time to Buy and Sell Stock III |
34.7% |
Hard |
|
428 |
Serialize and Deserialize N-ary Tree |
55.2% |
Hard |
|
794 |
Valid Tic-Tac-Toe State |
30.6% |
Medium |
|
543 |
Diameter of Binary Tree |
47.4% |
Easy |
|
214 |
Shortest Palindrome |
28.1% |
Hard |
|
107 |
Binary Tree Level Order Traversal II |
48.1% |
Easy |
|
545 |
Boundary of Binary Tree |
36.0% |
Medium |
|
449 |
Serialize and Deserialize BST |
48.5% |
Medium |
|
29 |
Divide Two Integers |
16.2% |
Medium |
|
70 |
Climbing Stairs |
45.0% |
Easy |
|
560 |
Subarray Sum Equals K |
42.8% |
Medium |
|
416 |
Partition Equal Subset Sum |
41.5% |
Medium |
|
198 |
House Robber |
41.3% |
Easy |
|
394 |
Decode String |
46.2% |
Medium |
|
419 |
Battleships in a Board |
66.5% |
Medium |
|
99 |
Recover Binary Search Tree |
35.6% |
Hard |
|
516 |
Longest Palindromic Subsequence |
48.2% |
Medium |
|
362 |
Design Hit Counter |
60.0% |
Medium |
|
448 |
Find All Numbers Disappeared in an Array |
54.1% |
Easy |
|
63 |
Unique Paths II |
33.7% |
Medium |
|
39 |
Combination Sum |
50.5% |
Medium |
|
90 |
Subsets II |
43.5% |
Medium |
|
77 |
Combinations |
49.5% |
Medium |
|
490 |
The Maze |
48.5% |
Medium |
|
158 |
Read N Characters Given Read4 II - Call multiple times |
27.7% |
Hard |
|
40 |
Combination Sum II |
43.3% |
Medium |
|
426 |
Convert Binary Search Tree to Sorted Doubly Linked List |
54.0% |
Medium |
|
706 |
Design HashMap |
57.0% |
Easy |
|
332 |
Reconstruct Itinerary |
32.5% |
Medium |
|
805 |
Split Array With Same Average |
24.8% |
Hard |
|
876 |
Middle of the Linked List |
65.1% |
Easy |
|
493 |
Reverse Pairs |
23.6% |
Hard |
|
83 |
Remove Duplicates from Sorted List |
43.3% |
Easy |
|
958 |
Check Completeness of a Binary Tree |
48.5% |
Medium |
|
509 |
Fibonacci Number |
66.7% |
Easy |
|
528 |
Random Pick with Weight |
42.9% |
Medium |
|
724 |
Find Pivot Index |
41.8% |
Easy |
|
935 |
Knight Dialer |
41.9% |
Medium |
|
317 |
Shortest Distance from All Buildings |
38.8% |
Hard |
|
973 |
K Closest Points to Origin |
61.4% |
Medium |
|
733 |
Flood Fill |
51.7% |
Easy |
|
430 |
Flatten a Multilevel Doubly Linked List |
43.7% |
Medium |
|
704 |
Binary Search |
49.2% |
Easy |
|
979 |
Distribute Coins in Binary Tree |
67.7% |
Medium |
|
220 |
Contains Duplicate III |
20.1% |
Medium |
|
354 |
Russian Doll Envelopes |
34.3% |
Hard |
|
698 |
Partition to K Equal Sum Subsets |
43.4% |
Medium |
|
977 |
Squares of a Sorted Array |
71.7% |
Easy |
|
612 |
Shortest Distance in a Plane |
54.9% |
Medium |
|
30 |
Substring with Concatenation of All Words |
24.1% |
Hard |
|
211 |
Add and Search Word - Data structure design |
31.6% |
Medium |
|
938 |
Range Sum of BST |
78.1% |
Easy |
|
768 |
Max Chunks To Make Sorted II |
46.7% |
Hard |