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975 problems

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Array447 String249 Hash Table190 Math173 Database113 Sorting100 Simulation93 Counting70 Two Pointers70 Bit Manipulation54 Greedy51 Matrix41 Tree40 Depth-First Search39 Binary Tree37 All topics

Easy · 975 results

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TitleSolutionAcceptDifficultyTopics

3959. Check Good IntegerVideo

Solution82.6%Easy

Math, Simulation

3963. Create Grid With Exactly One PathVideo

Solution75.9%Easy

–

3978. Unique Middle ElementVideo

Solution72.3%Easy

Array, Counting

3982. Sum of Integers with Maximum Digit RangeVideo

Solution72.9%Easy

3986. Number of Elapsed Seconds Between Two TimesVideo

Solution82.5%Easy

3992. Rearrange String to Avoid Character PairVideo

Solution77.8%Easy

Sorting, String +1

3996. Even Number of Knight MovesVideo

Solution75.1%Easy

4000. Largest Integer With Given Digit SumVideo

Solution61.6%Easy

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

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

–

4088. Difference Between Peaks and Valleys

–81.7%Easy

–

Showing 951–975 of 975