DSA Problems
11 problems · master the patterns that show up in every interview.
Daily set · 3 curated problems
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problems solved
Easy
0/55
Medium
0/104
Hard
0/10
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Arrays
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Strings
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Two Pointers
0/11
Sliding Window
0/11
Binary Search
0/11
Stacks & Queues
0/11
Linked Lists
0/12
Trees
0/13
Tries
0/6
Heaps & Priority Queues
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Backtracking
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Graphs
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Greedy
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Dynamic Programming
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Bit Manipulation
0/10
Topic
Problem
Difficulty
Two Pointers
Two Sum II — Input Array Is Sorted
Two Pointers
Medium
Medium
Two Pointers
3Sum
Two Pointers
Medium
Medium
Two Pointers
3Sum Closest
Two Pointers
Medium
Medium
Two Pointers
Container With Most Water
Two Pointers
Medium
Medium
Two Pointers
Trapping Rain Water
Two Pointers
Hard
Hard
Two Pointers
Remove Duplicates from Sorted Array
Two Pointers
Easy
Easy
Two Pointers
Sort Colors
Two Pointers
Medium
Medium
Two Pointers
Is Subsequence
Two Pointers
Easy
Easy
Two Pointers
Merge Two Sorted Arrays
Two Pointers
Easy
Easy
Two Pointers
Valid Palindrome II
Two Pointers
Easy
Easy
Two Pointers
Boats to Save People
Two Pointers
Medium
Medium