原文链接: https://leetcode-cn.com/problems/delete-duplicate-folders-in-system
英文原文Due to a bug, there are many duplicate f
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原文链接: https://leetcode-cn.com/problems/count-number-of-special-subsequences
英文原文A sequence is special if it consists o
原文链接: https://leetcode-cn.com/problems/number-of-ways-to-separate-numbers
英文原文You wrote down many positive integers in
原文链接: https://leetcode-cn.com/problems/find-the-longest-valid-obstacle-course-at-each-position
英文原文You want to build s
原文链接: https://leetcode-cn.com/problems/last-day-where-you-can-still-cross
英文原文There is a 1-based binary matrix where 0
原文链接: https://leetcode-cn.com/problems/the-number-of-good-subsets
英文原文You are given an integer array nums. We call a s
原文链接: https://leetcode-cn.com/problems/find-array-given-subset-sums
英文原文You are given an integer n representing the le
原文链接: https://leetcode-cn.com/problems/number-of-unique-good-subsequences
英文原文You are given a binary string binary. A
原文链接: https://leetcode-cn.com/problems/minimum-number-of-operations-to-make-array-continuous
英文原文You are given an inte
原文链接: https://leetcode-cn.com/problems/smallest-missing-genetic-value-in-each-subtree
英文原文There is a family tree roote