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Problems explorer

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150 problems in this topic

# Title Topics Acceptance Pts Difficulty
101 Kth Smallest Element in a BST — 30 Medium Solve
102 Number of Islands — 30 Medium Solve
103 Permutation in String — 30 Medium Solve
104 Search a 2D Matrix — 30 Medium Solve
105 Swim in Rising Water — 40 Hard Solve
106 Course Schedule — 30 Medium Solve
107 Daily Temperatures — 30 Medium Solve
108 Kth Largest Element in a Stream — 20 Easy Solve
109 Longest Palindromic Substring — 30 Medium Solve
110 Merge Two Sorted Lists — 20 Easy Solve
111 LRU Cache — 30 Medium Solve
112 Min Cost to Connect All Points — 30 Medium Solve
113 Partition Equal Subset Sum — 30 Medium Solve
114 Search in Rotated Sorted Array — 30 Medium Solve
115 Subsets — 30 Medium Solve
116 Copy List with Random Pointer — 30 Medium Solve
117 House Robber — 30 Medium Solve
118 Letter Combinations of a Phone Number — 30 Medium Solve
119 Longest Increasing Path in a Matrix — 40 Hard Solve
120 Same Tree — 20 Easy Solve
121 Invert Binary Tree — 20 Easy Solve
122 Jump Game II — 30 Medium Solve
123 Kth Smallest Element in a BST — 30 Medium Solve
124 Rotting Oranges — 30 Medium Solve
125 Word Break — 30 Medium Solve
126 Binary Tree Level Order Traversal — 30 Medium Solve
127 Kth Largest Element in a Stream — 20 Easy Solve
128 Merge Intervals — 30 Medium Solve
129 Target Sum — 30 Medium Solve
130 Word Ladder — 40 Hard Solve
131 Climbing Stairs — 20 Easy Solve
132 Maximum Subarray — 30 Medium Solve
133 Serialize and Deserialize Binary Tree — 40 Hard Solve
134 Set Matrix Zeroes — 30 Medium Solve
135 Subsets — 30 Medium Solve
136 Coin Change — 30 Medium Solve
137 Kth Largest Element in an Array — 30 Medium Solve
138 Letter Combinations of a Phone Number — 30 Medium Solve
139 Number of 1 Bits — 20 Easy Solve
140 Valid Parenthesis String — 30 Medium Solve
141 Best Time to Buy and Sell Stock with Cooldown — 30 Medium Solve
142 Rotate Image — 30 Medium Solve
143 Rotting Oranges — 30 Medium Solve
144 Subsets II — 30 Medium Solve
145 Valid Anagram — 20 Easy Solve
146 Burst Balloons — 40 Hard Solve
147 Clone Graph — 30 Medium Solve
148 Detect Squares — 30 Medium Solve
149 Longest Consecutive Sequence — 30 Medium Solve
150 Word Ladder — 40 Hard Solve
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