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348 problems · 187 with a MIK video · 36 asked in the last 6 months
D · DSA 186Q · SQL & DBMS 1
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348 problems, most frequent first

DoneLC #ProblemLevelHow often askedMIK video
146LRU CacheDesign Data Structures · Asked in the last 6 monthsMedium100▶ Watch
200Number of IslandsArrays · Asked in the last 6 monthsMedium97▶ Watch
300Longest Increasing SubsequenceDynamic ProgrammingMedium90▶ Watch
3Longest Substring Without Repeating Characters ↗Medium87Not covered yet
694Number of Distinct Islands ↗Asked in the last 6 months · LeetCode PremiumMedium87Not covered yet
210Course Schedule IIGraphsMedium86▶ Watch
253Meeting Rooms IIPrefix Sum & Difference Array · Asked in the last 6 months · LeetCode PremiumMedium84▶ Watch
42Trapping Rain WaterArraysHard83▶ Watch
56Merge Intervals ↗Asked in the last 6 monthsMedium83Not covered yet
207Course ScheduleGraphs · Asked in the last 6 monthsMedium82▶ Watch
68Text JustificationStrings · Asked in the last 6 monthsHard80▶ Watch
394Decode String ↗Asked in the last 6 monthsMedium76Not covered yet
5Longest Palindromic SubstringDynamic ProgrammingMedium75▶ Watch
33Search in Rotated Sorted ArrayBinary Search · Asked in the last 6 monthsMedium75▶ Watch
76Minimum Window SubstringSliding WindowHard75▶ Watch
79Word SearchBacktracking · Asked in the last 6 monthsMedium75▶ Watch
51N-QueensRecursionHard74▶ Watch
153SumArraysMedium72▶ Watch
54Spiral MatrixArrays · Asked in the last 6 monthsMedium71▶ Watch
322Coin Change ↗Medium71Not covered yet
560Subarray Sum Equals KArraysMedium71▶ Watch
1151Minimum Swaps to Group All 1's Together ↗LeetCode PremiumMedium71Not covered yet
128Longest Consecutive Sequence ↗Asked in the last 6 monthsMedium70Not covered yet
347Top K Frequent ElementsHeap / Priority Queue · Asked in the last 6 monthsMedium70▶ Watch
2334Subarray With Elements Greater Than Varying Threshold ↗Hard70Not covered yet
23Merge k Sorted ListsHeap / Priority QueueHard68▶ Watch
670Maximum SwapStringsMedium68▶ Watch
827Making A Large IslandGraphsHard68▶ Watch
20Valid ParenthesesStackEasy67▶ Watch
69Sqrt(x) ↗Easy67Not covered yet
198House RobberDynamic ProgrammingMedium67▶ Watch
772Basic Calculator III ↗LeetCode PremiumHard67Not covered yet
1405Longest Happy StringHeap / Priority QueueMedium67▶ Watch
1802Maximum Value at a Given Index in a Bounded ArrayBinary SearchMedium67▶ Watch
1146Snapshot ArrayDesign Data StructuresMedium67▶ Watch
1Two SumArraysEasy65▶ Watch
121Best Time to Buy and Sell Stock ↗Asked in the last 6 monthsEasy65Not covered yet
227Basic Calculator II ↗Asked in the last 6 monthsMedium65Not covered yet
127Word Ladder ↗Hard63Not covered yet
215Kth Largest Element in an ArrayHeap / Priority Queue · Asked in the last 6 monthsMedium63▶ Watch

Source: community data (liquidslr/leetcode-company-wise-problems), updated Aug 16, 2026. Company tags are crowd-reported and may be incomplete.