Problem: https://leetcode.com/problems/generate-parentheses/ Given n pairs of parentheses, write a function to generate all combinations of well-forme ...
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其他好文 时间:
2016-05-29 00:39:52
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109
Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telepho ...
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其他好文 时间:
2016-05-27 20:20:37
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143
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. Each num ...
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其他好文 时间:
2016-05-25 00:26:44
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198
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T. The same repeat ...
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其他好文 时间:
2016-05-24 16:42:50
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149
Letter Combinations of a Phone Number Given a digit string, return all possible letter combinations that the number could represent. A mapping of digi ...
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其他好文 时间:
2016-05-14 18:39:58
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143
主要使用方法是backtracking。 Combination Sum Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candida ...
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其他好文 时间:
2016-05-14 15:32:53
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174
1. 题目描述39
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T.
The same repeated number may be chosen from C unl...
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其他好文 时间:
2016-05-07 10:53:11
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259
一天一道LeetCode系列(一)题目
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.
Each number in C may only be use...
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其他好文 时间:
2016-05-06 15:35:39
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146
Chapter 1 Introduce to Vectors 线性代数的两个核心操作:向量加法和数乘。组合这两个操作就是向量的线性组合。 1.1 Vector and Linear Combinations 两个基本操作:向量加法和数乘。 两个向量v和w的线性组合:cv+aw。其中,c和a是任意标量 ...
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其他好文 时间:
2016-05-05 12:31:25
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127
Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example: Given "25525511135", return [" ...
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其他好文 时间:
2016-04-24 14:21:35
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193