Given n pairs of parentheses, write a function to generate all combinations of well formed parentheses. For example, given n = 3, a solution set is: [ ...
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其他好文 时间:
2017-11-21 22:16:37
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121
其实backtracking对我来说一直是一个难点。我分析不好,而且脑子会很乱。。 今天遇到了一道题: Generate Parentheses(LC22 medium) Given n pairs of parentheses, write a function to generate all c ...
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其他好文 时间:
2017-11-18 12:39:10
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173
The branch of mathematics called number theory is about properties of numbers. One of the areas that has captured the interest of number theoreticians ...
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其他好文 时间:
2017-11-14 22:34:11
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213
一、前言 二、题561 Array Partition I Given an array of 2n integers, your task is to group these integers into n pairs of integer, say (a1, b1), (a2, b2), ... ...
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编程语言 时间:
2017-11-14 16:22:56
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206
leetCode原题: Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, given n = 3, a soluti ...
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其他好文 时间:
2017-11-14 14:27:31
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146
Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, given n = 3, a solution set is: 解 ...
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其他好文 时间:
2017-11-13 21:21:56
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114
You are given n pairs of numbers. In every pair, the first number is always smaller than the second number. Now, we define a pair (c, d) can follow an ...
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其他好文 时间:
2017-11-13 13:39:09
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130
题意:http://www.lightoj.com/volume_showproblem.php?problem=1236 解答:http://www.cnblogs.com/linliu/p/5549544.html 素数太大用bool ...
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其他好文 时间:
2017-11-09 14:20:36
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219
类似于find kth small element in sorted matrix, 另外数组是个好东西,在构造heap 的元素的时候 Some observations: For every numbers in nums1, its best partner(yields min sum) a ...
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其他好文 时间:
2017-11-07 23:59:26
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365
描述 Given n pairs of parentheses, write a function to generate all combinations of wellformed parentheses.For example, given n = 3, a solution set is:" ...
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其他好文 时间:
2017-11-07 18:03:46
阅读次数:
131