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Problems

970 problems

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Array447String248Hash Table189Math173Database113Sorting100Simulation93Two Pointers70Counting69Bit Manipulation54Greedy51Matrix41Tree40Depth-First Search39Binary Tree37All topics

Easy · With video · 970 results

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TitleSolutionAcceptDifficultyTopics
3986. Number of Elapsed Seconds Between Two TimesVideo
Solution82.5%Easy
Math, String
3992. Rearrange String to Avoid Character PairVideo
Solution77.8%Easy
Sorting, String +1
3996. Even Number of Knight MovesVideo
Solution75.1%Easy
Array, Math
4000. Largest Integer With Given Digit SumVideo
Solution61.6%Easy
Greedy, Math
4006. Count Valid PrefixesVideo
Solution78.0%Easy
Counting, String
4010. Maximize Pair Strength Using GCDVideo
Solution48.6%Easy
Array, Enumeration +2
4020. Elevator Requests IVideo
Solution84.1%Easy
Array, Simulation
4024. Nearest Available DroneVideo
Solution66.8%Easy
Array, Enumeration
4030. Check ASCII PalindromicVideo
Solution60.2%Easy
Bit Manipulation, String +1
4038. Count Integers Appearing in a Single BlockVideo
Solution44.4%Easy
Array, Counting +1
4043. Count Rotations With Exactly K Equal Adjacent PairsVideo
Solution72.3%Easy
Enumeration, Sliding Window +1
4048. Count Values With Equally Spaced Occurrences IVideo
Solution75.3%Easy
Array, Hash Table
4052. Cyclically Shift Rows and ColumnsVideo
Solution75.9%Easy
Array, Matrix +1
4056. Number of Intersecting Interval Pairs IVideo
Solution61.8%Easy
Array, Binary Search +2
4061. Minimum Queen Moves to Reach TargetVideo
Solution56.7%Easy
Array, Math
4065. Rearrange Array by Removing Distinct ValuesVideo
Solution75.0%Easy
Array, Counting +5
4070. Minimum Rotations to Dial a Number IVideo
Solution76.4%Easy
–
4074. Maximum Product Pair With Target SumVideo
Solution45.8%Easy
–
4078. Three Fibonacci SumVideo
Solution63.6%Easy
–
4083. Minimum Deletions to Make Array SharpVideo
Solution70.1%Easy
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Showing 951–970 of 970