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Problems explorer

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

40 problems in this topic

# Title Topics Acceptance Pts Difficulty
1 LRU Cache — 30 Medium Solve
2 Same Tree — 20 Easy Solve
3 Kth Smallest Element in a BST — 30 Medium Solve
4 Kth Largest Element in a Stream — 20 Easy Solve
5 Subsets — 30 Medium Solve
6 Letter Combinations of a Phone Number — 30 Medium Solve
7 Rotting Oranges — 30 Medium Solve
8 Word Ladder — 40 Hard Solve
9 Climbing Stairs — 20 Easy Solve
10 Coin Change — 30 Medium Solve
11 Best Time to Buy and Sell Stock with Cooldown — 30 Medium Solve
12 Burst Balloons — 40 Hard Solve
13 Merge Triplets to Form Target Triplet — 30 Medium Solve
14 Meeting Rooms II — 30 Medium Solve
15 Pow(x, n) — 30 Medium Solve
16 Missing Number — 20 Easy Solve
17 Top K Frequent Elements — 30 Medium Solve
18 3Sum — 30 Medium Solve
19 Minimum Window Substring — 40 Hard Solve
20 Car Fleet — 30 Medium Solve
21 Time Based Key-Value Store — 30 Medium Solve
22 Add Two Numbers — 30 Medium Solve
23 Maximum Depth of Binary Tree — 20 Easy Solve
24 Binary Tree Right Side View — 30 Medium Solve
25 Implement Trie (Prefix Tree) — 30 Medium Solve
26 Task Scheduler — 30 Medium Solve
27 Combination Sum II — 30 Medium Solve
28 Max Area of Island — 30 Medium Solve
29 Redundant Connection — 30 Medium Solve
30 Swim in Rising Water — 40 Hard Solve
31 Longest Palindromic Substring — 30 Medium Solve
32 Partition Equal Subset Sum — 30 Medium Solve
33 Longest Increasing Path in a Matrix — 40 Hard Solve
34 Jump Game II — 30 Medium Solve
35 Merge Intervals — 30 Medium Solve
36 Set Matrix Zeroes — 30 Medium Solve
37 Number of 1 Bits — 20 Easy Solve
38 Valid Anagram — 20 Easy Solve
39 Longest Consecutive Sequence — 30 Medium Solve
40 Longest Substring Without Repeating Characters — 30 Medium Solve
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