Browse LeetCode problems frequently asked by Mercari. 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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More than 6 months
All
Easy
Medium
Hard
All
Problem
Difficulty
Frequency
Topics
Crawler Log Folder
EASY
100%
ArrayStringStack
Count Largest Group
EASY
100%
Hash TableMathCounting
Smallest Missing Non-negative Integer After Operations
MEDIUM
100%
ArrayHash TableMathGreedy
Minimum Subsequence in Non-Increasing Order
EASY
100%
ArrayGreedySorting
Max Difference You Can Get From Changing an Integer
MEDIUM
100%
MathGreedy
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