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๐Ÿ  All Problems 500+ ๐Ÿ”ข Arrays 120 ๐Ÿ“ Strings 80 ๐Ÿ”— Linked List 45 ๐Ÿ“š Stacks & Queues 40 ๐ŸŒณ Trees 65 ๐ŸŒฒ BST 30 ๐Ÿ•ธ Graphs 55 ๐Ÿ’ก Dynamic Programming 75 โ†•๏ธ Sorting 25 ๐Ÿ” Binary Search 35 #๏ธโƒฃ Hashing 30 ๐Ÿค‘ Greedy 40 ๐Ÿ”„ Recursion & Backtracking 50 โšก Bit Manipulation 25 ๐Ÿ” Heaps & Priority Queue 28 ๐ŸŒ Trie 18 ๐ŸชŸ Sliding Window 22 ๐Ÿ‘† Two Pointers 20

All DSA Problems

15 problems ยท Solve with CodeBook Compiler + Video Solutions

Your Progress 0 / 15 Solved
โ— Easy: 9 โ— Medium: 5 โ— Hard: 1
# โœ“ Problem Title Difficulty Platform Acceptance Actions
1 Two Sum โ†— Easy LeetCode 48%
โšก Solve โ–ถ Solution
2 Valid Parentheses โ†— Easy LeetCode 40%
โšก Solve โ–ถ Solution
3 Binary Search โ†— Easy LeetCode 56%
โšก Solve โ–ถ Solution
4 Reverse Linked List โ†— Easy LeetCode 71%
โšก Solve โ–ถ Solution
5 Number of Islands โ†— Medium LeetCode 55%
โšก Solve โ–ถ Solution
6 Climbing Stairs โ†— Easy LeetCode 51%
โšก Solve โ–ถ Solution
7 Level Order Traversal (BFS) โ†— Easy LeetCode 62%
โšก Solve โ–ถ Solution
8 Valid Anagram โ†— Easy LeetCode 62%
โšก Solve โ–ถ Solution
9 Best Time to Buy & Sell Stock โ†— Easy LeetCode 54%
โšก Solve โ–ถ Solution
10 Detect Cycle in Linked List โ†— Medium LeetCode 47%
โšก Solve โ–ถ Solution
11 0/1 Knapsack Problem โ†— Medium GFG 60%
โšก Solve โ–ถ Solution
12 Diameter of Binary Tree โ†— Easy LeetCode 55%
โšก Solve โ–ถ Solution
13 Maximum Subarray โ†— Medium LeetCode 50%
โšก Solve โ–ถ Solution
14 Longest Common Subsequence โ†— Medium LeetCode 56%
โšก Solve โ–ถ Solution
15 Trapping Rain Water โ†— Hard LeetCode 57%
โšก Solve โ–ถ Solution