Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.
For example:
Given the below binary tree and sum
= 22,
5
/ ...
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其他好文 时间:
2014-06-28 07:31:28
阅读次数:
214
【Rendering Paths】1、在Edit->Project Settings->Player 打开的Inspector中可以设置Rendering Paths。 2、Rendering Paths的值总共有三种: Vertex Lit:少数光照特性,不支持阴影。 Forward w...
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其他好文 时间:
2014-06-25 16:49:14
阅读次数:
245
ruby comes with a set of predefined variables$: = default search path (array of paths)其他Ruby特殊变量:$! 最近一次的错误信息$@ 错误产生的位置$_ gets最近读的字符串$. 解释器最近读的行数(line...
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其他好文 时间:
2014-06-25 13:55:51
阅读次数:
179
Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be?An obstacle and empty space i...
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其他好文 时间:
2014-06-25 09:17:03
阅读次数:
159
关于这个题想说一下,刚开始准备按照有一个含有n个数的非递减序列,每个数最大值为m,数字可以重复,有多少种这样的序列,像是一个蛮复杂的排列组合
其实这道题,从left bottom到right up只能向右或者向上,也就是m+n个格子里面取m个格子写右,n个格子写上,就成了个很2的排列组合问题
值得强调的是,这个题求组合数是用分数相乘来求的,怕double丢精度可以末尾+0.5然后转化为long...
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其他好文 时间:
2014-06-22 16:53:21
阅读次数:
135
Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.
For example:
Given the below binary tree and sum = 22,
5
/ ...
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其他好文 时间:
2014-06-21 22:44:58
阅读次数:
266
如果新提交的分支代码和master有冲突,先checkout到分支merge master,解决冲突,然后再checkout master,merge 分支.(1) git checkout edit_package_page git merge master --no-ff这时候会看到很多CO.....
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其他好文 时间:
2014-06-18 19:49:55
阅读次数:
246
简单对比分析了Android4.4里的Auido配置文件 mixer_paths.xml, 主要针对高通MSM8974和apq8064机型...
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其他好文 时间:
2014-06-18 12:25:55
阅读次数:
895
原题地址:https://oj.leetcode.com/problems/unique-paths-ii/题意:Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many ...
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编程语言 时间:
2014-06-15 23:33:26
阅读次数:
353
Follow up for "Unique Paths":
Now consider if some obstacles are added to the grids. How many unique paths would there be?
An obstacle and empty space is marked as 1 and 0 respectively
in the...
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其他好文 时间:
2014-06-14 12:02:12
阅读次数:
229