In Unity scripting, there are a number of event
functions that get executed in a predetermined order as a script executes. This
execution order is des...
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其他好文 时间:
2014-05-26 12:20:20
阅读次数:
368
UVA 10843 - Anne's game
题目链接
题意:题意说得挺绕的,其实本质上就是求n个点,可以接连出多少种不同的生成树
思路:这是Caylay定理,网上能找到证明,结果为nn?2,然后利用快速幂去求解。
代码:
#include
#include
const int long long MOD = 2000000011;
int t;
long long n;...
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其他好文 时间:
2014-05-26 03:36:35
阅读次数:
278
这篇文章主要介绍Shell脚本编写俄罗斯方块的方法,原文来自脚本之家,http://www.jb51.net/article/48926.htm效果图:代码:#!/bin/bash#
Tetris Game# 10.21.2003 xhchen#APP declarationAPP_NAME="${...
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其他好文 时间:
2014-05-25 22:25:03
阅读次数:
352
Problem Description
Teacher HU and his 40 students were trapped by the brigands. To show their power, the head of the brigands want to select one people to kill.
Teacher HU and his 40 students wil...
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其他好文 时间:
2014-05-25 18:19:44
阅读次数:
306
Problem Description
Have you ever played quoit in a playground? Quoit is a game in which flat rings are pitched at some toys, with all the toys encircled awarded.
In the field of Cyberground, the ...
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其他好文 时间:
2014-05-25 11:13:53
阅读次数:
245
Problem Description
Teacher HU and his 40 students were trapped by the brigands. To show their power, the head of the brigands want to select one people to kill.
Teacher HU and his 40 students wil...
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其他好文 时间:
2014-05-25 10:02:35
阅读次数:
309
Flip GameDescriptionFlip game is played on a
rectangular 4x4 field with two-sided pieces placed on each of its 16 squares.
One side of each piece is w...
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其他好文 时间:
2014-05-25 03:21:52
阅读次数:
255
【题目】
Given an array of non-negative integers, you are initially positioned at the first index of the array.
Each element in the array represents your maximum jump length at that position.
Determine if you are able to reach the last index.
For example:...
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其他好文 时间:
2014-05-24 20:44:39
阅读次数:
221
之所以说leetcode的测试用例有问题,是因为我刚开始理解错了题意,写下了如下的错误的代码。但是却AC了。
错误代码为:
bool canJump(int A[], int n) {
if(n == 0) return true;
int sum = 0; //记录当前的最远距离
int i = 0;
...
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其他好文 时间:
2014-05-24 19:45:57
阅读次数:
1081
原理
这个漏洞实际上非常简单,ElasticSearch有脚本执行(scripting)的功能,可以很方便地对查询出来的数据再加工处理。
ElasticSearch用的脚本引擎是MVEL,这个引擎没有做任何的防护,或者沙盒包装,所以直接可以执行任意代码。
而在ElasticSearch里,默认配置是打开动态脚本功能的,因此用户可以直接通过http请求,执行任意代码。
其实官方是清楚这个漏洞...
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其他好文 时间:
2014-05-24 18:04:15
阅读次数:
223