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Tinkoff LeetCode Questions 2026

Browse LeetCode problems frequently asked by Tinkoff. Filter by difficulty and timeframe to focus your interview prep.

Last updated: 20 May 2026

ProblemDifficultyFrequencyTopics
Two SumEASY
100%
ArrayHash Table
Longest Substring Without Repeating CharactersMEDIUM
75%
Hash TableStringSliding Window
Longest Palindromic SubstringMEDIUM
75%
Two PointersStringDynamic Programming
Find First and Last Position of Element in Sorted ArrayMEDIUM
87.5%
ArrayBinary Search
Simplify PathMEDIUM
87.5%
StringStack
Is SubsequenceEASY
87.5%
Two PointersStringDynamic Programming
Min StackMEDIUM
87.5%
StackDesign
Battleships in a BoardMEDIUM
75%
ArrayDepth-First SearchMatrix
Find All Numbers Disappeared in an ArrayEASY
75%
ArrayHash Table
Event EmitterMEDIUM
87.5%
Search in Rotated Sorted ArrayMEDIUM
87.5%
ArrayBinary Search
Decode StringMEDIUM
87.5%
StringStackRecursion
Number of IslandsMEDIUM
100%
ArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix
Form Smallest Number From Two Digit ArraysEASY
87.5%
ArrayHash TableEnumeration
Minimum Difference Between Highest and Lowest of K ScoresEASY
87.5%
ArraySliding WindowSorting
Valid PalindromeEASY
75%
Two PointersString
Find the Longest Balanced Substring of a Binary StringEASY
87.5%
String
Remove Nth Node From End of ListMEDIUM
87.5%
Linked ListTwo Pointers

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