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Tinkoff

20 problems · 10 with a MIK video · 1 asked in the last 6 months

D · DSA 10

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20 problems, most frequent first

DoneLC #ProblemLevelHow often askedMIK video

34Find First and Last Position of Element in Sorted ArrayBinary SearchMedium100▶ Watch

1Two SumArraysEasy100▶ Watch

2605Form Smallest Number From Two Digit Arrays ↗Easy94Not covered yet

5Longest Palindromic SubstringDynamic Programming · Asked in the last 6 monthsMedium94▶ Watch

394Decode String ↗Medium94Not covered yet

200Number of IslandsArraysMedium94▶ Watch

1984Minimum Difference Between Highest and Lowest of K ScoresArraysEasy94▶ Watch

33Search in Rotated Sorted ArrayBinary SearchMedium94▶ Watch

155Min Stack ↗Medium94Not covered yet

19Remove Nth Node From End of ListLinked ListMedium86▶ Watch

2609Find the Longest Balanced Substring of a Binary String ↗Easy86Not covered yet

2694Event Emitter ↗Medium86Not covered yet

392Is Subsequence ↗Easy86Not covered yet

71Simplify PathStackMedium86▶ Watch

419Battleships in a Board ↗Medium74Not covered yet

3Longest Substring Without Repeating Characters ↗Medium74Not covered yet

228Summary RangesArraysEasy74▶ Watch

13Roman to Integer ↗Easy74Not covered yet

448Find All Numbers Disappeared in an Array ↗Easy74Not covered yet

443String CompressionStringsMedium74▶ Watch

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