摘要：
https://leetcode.com/problems/substring-with-concatenation-of-all-words/ You are given a string, S, and a list of words, L, that are all of the same l 阅读全文
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https://leetcode.com/problems/combination-sum-ii/description/ Given a collection of candidate numbers (C) and a target number (T), find all unique com 阅读全文
摘要：
https://leetcode.com/problems/combination-sum/Given a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the ... 阅读全文
摘要：
https://leetcode.com/problems/count-and-say/The count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21, 1211, 111221, ...1i... 阅读全文
摘要：
https://leetcode.com/problems/divide-two-integers/Divide two integers without using multiplication, division and mod operator.If it is overflow, retur... 阅读全文