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Problems explorer

Browse by topic · auto-judge · company sheets · roadmaps — not just a problem dump.

35 problems in this topic

# Title Topics Acceptance Pts Difficulty
1 Missing Number — 20 Easy Solve
2 Top K Frequent Elements — 30 Medium Solve
3 3Sum — 30 Medium Solve
4 Minimum Window Substring — 40 Hard Solve
5 Car Fleet — 30 Medium Solve
6 Time Based Key-Value Store — 30 Medium Solve
7 Add Two Numbers — 30 Medium Solve
8 Maximum Depth of Binary Tree — 20 Easy Solve
9 Binary Tree Right Side View 0% 30 Medium Solve
10 Implement Trie (Prefix Tree) — 30 Medium Solve
11 Task Scheduler — 30 Medium Solve
12 Combination Sum II — 30 Medium Solve
13 Max Area of Island — 30 Medium Solve
14 Redundant Connection — 30 Medium Solve
15 Swim in Rising Water — 40 Hard Solve
16 Longest Palindromic Substring — 30 Medium Solve
17 Partition Equal Subset Sum — 30 Medium Solve
18 Longest Increasing Path in a Matrix — 40 Hard Solve
19 Jump Game II — 30 Medium Solve
20 Merge Intervals — 30 Medium Solve
21 Set Matrix Zeroes — 30 Medium Solve
22 Number of 1 Bits — 20 Easy Solve
23 Valid Anagram — 20 Easy Solve
24 Longest Consecutive Sequence — 30 Medium Solve
25 Longest Substring Without Repeating Characters — 30 Medium Solve
26 Evaluate Reverse Polish Notation — 30 Medium Solve
27 Koko Eating Bananas — 30 Medium Solve
28 Reorder List — 30 Medium Solve
29 Merge k Sorted Lists — 40 Hard Solve
30 Subtree of Another Tree — 20 Easy Solve
31 Construct Binary Tree from Preorder and Inorder Traversal — 30 Medium Solve
32 Last Stone Weight — 20 Easy Solve
33 Combination Sum — 30 Medium Solve
34 N-Queens — 40 Hard Solve
35 Walls and Gates — 30 Medium Solve
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