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题目描述： Given a collection of numbers that might contain duplicates, return all possible unique permutations. For example,[1,1,2] have the following uni 阅读全文
posted @ 2018-03-01 23:28
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题目描述： Given a collection of distinct numbers, return all possible permutations. For example,[1,2,3] have the following permutations: 题目要我们找到数组（无重复元素）的 阅读全文
posted @ 2018-03-01 22:51
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题目描述： Given two non-negative integers num1 and num2 represented as strings, return the product of num1 and num2. Note: 题目要我们计算两个数（string形式，非负，只含数字，长度小 阅读全文
posted @ 2018-03-01 22:17
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题目描述： Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T. Ea 阅读全文
posted @ 2018-03-01 00:21
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