Browse LeetCode problems frequently asked by Carwale. Filter by difficulty and timeframe to focus your interview prep.
Last updated: 20 Feb 2026
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30 days
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All
Easy
Medium
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All
Problem
Difficulty
Frequency
Topics
Find Mirror Score of a String
MEDIUM
100%
Hash TableStringStackSimulation
Valid Parentheses
EASY
62.5%
StringStack
Best Time to Buy and Sell Stock
EASY
75%
ArrayDynamic Programming
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