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54 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 · 54 results

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TitleSolutionAcceptDifficultyTopics

3827. Count Monobit IntegersVideo

Solution66.0%Easy

Bit Manipulation, Enumeration· 1 company

3950. Exactly One Consecutive Set Bits PairVideo

Solution50.4%Easy

Bit Manipulation

3954. Sum of Compatible Numbers in Range IVideo

Solution58.4%Easy

Bit Manipulation, Dynamic Programming +1

4030. Check ASCII PalindromicVideo

Solution60.2%Easy

Bit Manipulation, String +1

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