LeetCode The Hard Way

Opentext

7 problems

ProblemDifficultyFrequency Topics
2264. Largest 3-Same-Digit Number in StringEasy100%
String
Filter Characters by FrequencyEasy100%
Hash TableStringCounting
14. Longest Common PrefixEasy83.7%
ArrayStringTrie
20. Valid ParenthesesEasy67.4%
StringStackBracket Sequences
5. Longest Palindromic SubstringMedium67.4%
Two PointersStringDynamic ProgrammingManacher
1823. Find the Winner of the Circular GameMedium67.4%
ArrayMathRecursionQueueSimulation
1652. Defuse the BombEasy67.4%
ArraySliding Window
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