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S

Siemens

21 problems · 12 with a MIK video · 0 asked in the last 6 months

D · DSA 12

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21 problems, most frequent first

DoneLC #ProblemLevelHow often askedMIK video

3187Peaks in Array ↗Hard100Not covered yet

2064Minimized Maximum of Products Distributed to Any StoreBinary SearchMedium100▶ Watch

200Number of IslandsArraysMedium97▶ Watch

56Merge Intervals ↗Medium88Not covered yet

20Valid ParenthesesStackEasy83▶ Watch

218The Skyline Problem ↗Hard75Not covered yet

146LRU CacheDesign Data StructuresMedium75▶ Watch

242Valid AnagramStringsEasy65▶ Watch

21Merge Two Sorted Lists ↗Easy65Not covered yet

1344Angle Between Hands of a Clock ↗Medium65Not covered yet

49Group AnagramsArraysMedium65▶ Watch

921Minimum Add to Make Parentheses ValidStackMedium65▶ Watch

26Remove Duplicates from Sorted ArrayTwo PointersEasy65▶ Watch

347Top K Frequent ElementsHeap / Priority QueueMedium65▶ Watch

260Single Number IIIBit ManipulationMedium65▶ Watch

152Maximum Product Subarray ↗Medium65Not covered yet

133Clone GraphGraphsMedium65▶ Watch

121Best Time to Buy and Sell Stock ↗Easy65Not covered yet

189Rotate ArrayArraysMedium65▶ Watch

420Strong Password Checker ↗Hard65Not covered yet

344Reverse String ↗Easy65Not covered yet

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