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DSA Problems

14 problems · master the patterns that show up in every interview.

Daily set · 3 curated problems
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Hard
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Arrays0/14
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Sliding Window0/11
Binary Search0/11
Stacks & Queues0/11
Linked Lists0/12
Trees0/13
Tries0/6
Heaps & Priority Queues0/10
Backtracking0/9
Graphs0/13
Greedy0/10
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Bit Manipulation0/10
TopicProblemDifficulty
  • ArraysTwo Sum
    ArraysEasy
    Easy
  • ArraysBest Time to Buy and Sell Stock
    ArraysEasy
    Easy
  • ArraysMaximum Subarray
    ArraysMedium
    Medium
  • ArraysContains Duplicate
    ArraysEasy
    Easy
  • ArraysProduct of Array Except Self
    ArraysMedium
    Medium
  • ArraysMove Zeroes
    ArraysEasy
    Easy
  • ArraysMajority Element
    ArraysEasy
    Easy
  • ArraysMaximum Product Subarray
    ArraysMedium
    Medium
  • ArraysMerge Intervals
    ArraysMedium
    Medium
  • ArraysInsert Interval
    ArraysMedium
    Medium
  • ArraysRotate Array
    ArraysEasy
    Easy
  • ArraysFirst Missing Positive
    ArraysHard
    Hard
  • ArraysLongest Consecutive Sequence
    ArraysMedium
    Medium
  • ArraysPascal's Triangle
    ArraysEasy
    Easy