Coding Challenges
Solve real-world problems, earn points, and level up your coding skills.
Latest Challenges
Balanced Parentheses
IntermediateCheck if the parentheses in a string are balanced.
250 XP
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Longest Substring Without Repeating Characters
AdvancedFind the longest substring without repeating characters.
500 XP
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String Compression
AdvancedCompress a string by counting repeated characters.
500 XP
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