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Problems explorer

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245 problems in this topic

# Title Topics Acceptance Pts Difficulty
51 Letter Combinations of a Phone Number — 30 Medium Solve
52 Median of Two Sorted Arrays — 40 Hard Solve
53 Min Stack — 30 Medium Solve
54 Minimum Window Substring — 40 Hard Solve
55 Permutation in String — 30 Medium Solve
56 Swim in Rising Water — 40 Hard Solve
57 Car Fleet — 30 Medium Solve
58 Daily Temperatures — 30 Medium Solve
59 Koko Eating Bananas — 30 Medium Solve
60 Linked List Cycle — 20 Easy Solve
61 Longest Palindromic Substring — 30 Medium Solve
62 Rotting Oranges — 30 Medium Solve
63 Search a 2D Matrix — 30 Medium Solve
64 Word Break — 30 Medium Solve
65 Diameter of Binary Tree — 20 Easy Solve
66 Merge Two Sorted Lists — 20 Easy Solve
67 Partition Equal Subset Sum — 30 Medium Solve
68 Reorder List — 30 Medium Solve
69 Search in Rotated Sorted Array — 30 Medium Solve
70 Target Sum — 30 Medium Solve
71 Time Based Key-Value Store — 30 Medium Solve
72 Word Ladder — 40 Hard Solve
73 Add Two Numbers — 30 Medium Solve
74 Climbing Stairs — 20 Easy Solve
75 Copy List with Random Pointer — 30 Medium Solve
76 Count Good Nodes in Binary Tree — 30 Medium Solve
77 LRU Cache — 30 Medium Solve
78 Longest Increasing Path in a Matrix — 40 Hard Solve
79 Maximum Subarray — 30 Medium Solve
80 Merge k Sorted Lists — 40 Hard Solve
81 Coin Change — 30 Medium Solve
82 Design Add and Search Words Data Structure — 30 Medium Solve
83 Invert Binary Tree — 20 Easy Solve
84 Jump Game II — 30 Medium Solve
85 Maximum Depth of Binary Tree — 20 Easy Solve
86 Same Tree — 20 Easy Solve
87 Subtree of Another Tree — 20 Easy Solve
88 Valid Parenthesis String — 30 Medium Solve
89 Best Time to Buy and Sell Stock with Cooldown — 30 Medium Solve
90 Binary Tree Level Order Traversal — 30 Medium Solve
91 Binary Tree Right Side View — 30 Medium Solve
92 Construct Binary Tree from Preorder and Inorder Traversal — 30 Medium Solve
93 Design Twitter — 30 Medium Solve
94 Kth Smallest Element in a BST — 30 Medium Solve
95 Merge Intervals — 30 Medium Solve
96 Rotate Image — 30 Medium Solve
97 Burst Balloons — 40 Hard Solve
98 Detect Squares — 30 Medium Solve
99 Implement Trie (Prefix Tree) — 30 Medium Solve
100 Kth Largest Element in a Stream — 20 Easy Solve
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