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DSA · Array Marathon27

27 problems
Largest Subarray with Sum 0ArraysMediumAug 8, 2026
Linear SearchArraysEasyAug 8, 2026
Longest Consecutive Sequence in an ArrayArraysHashingMediumAug 8, 2026
Longest subarray with sum KArraysMediumAug 8, 2026
Optimal Approach: Boyer-Moore Voting AlgorithmArraysEasyAug 8, 2026
Set Matrix ZeroesArraysMatrixMediumAug 8, 2026
Maximum Consecutive OnesArraysSliding WindowEasyAug 8, 2026
Merge two sorted arrays without extra spaceArraysSortingMediumAug 8, 2026
Largest ElementArraysEasyAug 8, 2026
Missing NumberArraysBit ManipulationEasyAug 8, 2026
Move Zeros to EndArraysTwo PointersEasyAug 8, 2026
Next PermutationArraysBacktrackingMediumAug 8, 2026
Leaders in an ArrayArraysEasyAug 8, 2026
Best time to buy and sell stockArraysEasyAug 8, 2026
Check if array is sortedArraysSortingEasyAug 8, 2026
Count subarrays with given sumArraysMediumAug 8, 2026
Count subarrays with given xor KArraysMediumAug 8, 2026
Maximum Subarray SumArraysDPMediumAug 8, 2026
Remove duplicates from sorted arrayArraysLinked ListEasyAug 8, 2026
Left Rotate Array by K PlacesArraysMediumAug 8, 2026
Left Rotate Array by OneArraysEasyAug 8, 2026
Rotate matrix by 90 degreesArraysMatrixMediumAug 8, 2026
Second LargestArraysEasyAug 8, 2026
Single numberArraysEasyAug 8, 2026
Sort an array of 0's 1's and 2'sArraysSortingMediumAug 8, 2026
Two SumArraysHashingEasyAug 8, 2026
Union of two sorted arraysArraysSortingMediumAug 8, 2026