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HDU - 2276 Kiki & Little Kiki 2
Description There are n lights in a circle numbered from 1 to n. The left of light 1 is light n, and the left of light k (1< k<= n) is the light k-1.At time of 0, some of them turn on, and others t...
分类:其他好文   时间:2014-07-30 12:23:23    阅读次数:199
hdu 4869 Turn the pokers(递推&组合数学&逆元)
Turn the pokers Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1279    Accepted Submission(s): 466 Problem Description During summer v...
分类:其他好文   时间:2014-07-29 21:53:22    阅读次数:400
关闭显示器
{turn monitor off}SendMessage(Application.Handle, WM_SYSCOMMAND, SC_MONITORPOWER, 2); //关闭显示器{turn monitor on}SendMessage(Application.Handle, WM_SYSCO...
分类:其他好文   时间:2014-07-29 20:51:22    阅读次数:274
hdu 4869 Turn the pokers (2014多校联合第一场 I)
Turn the pokers Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1265    Accepted Submission(s): 465 Problem Description During summ...
分类:其他好文   时间:2014-07-29 14:17:18    阅读次数:182
LeetCode "First Missing Positive"
Similar with "Longest Consecutive Sequence". Another usage to hashset.Take care of corner cases!class Solution {public: int firstMissingPositive(in...
分类:其他好文   时间:2014-07-28 15:16:43    阅读次数:206
HDU 4869 Turn the pokers
看完题解还wa了老半天才ac = =!囧rz 给大牛门跪了因为本题求的是最后状态的种数,设最终翻到正面为1,反面为0:因为每次翻牌的选择自由,所以一定范围内,翻到正面的牌数相差2的状态都可以取到;(假设当前状态为i 个1,可以用一次翻到1的机会把另一个翻到1的牌翻到0;这样状态就是i-2,相差2了;...
分类:其他好文   时间:2014-07-27 22:39:19    阅读次数:309
hdu 4869 Turn the pokers
Turn the pokersTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1213Accepted Submission(s): 449Prob...
分类:其他好文   时间:2014-07-27 21:38:35    阅读次数:212
Simplify Path leetcode java
题目:Given an absolute path for a file (Unix-style), simplify it.For example,path = "/home/", => "/home"path = "/a/./b/../../c/", => "/c"Corner Cases:D....
分类:编程语言   时间:2014-07-26 14:15:15    阅读次数:264
[LeetCode] Unique Paths
A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below).The robot can only move either down or right at any po...
分类:其他好文   时间:2014-07-25 10:54:31    阅读次数:229
2014多校第一场 I 题 || HDU 4869 Turn the pokers(费马小定理+快速幂模)
题目链接题意 : m张牌,可以翻n次,每次翻xi张牌,问最后能得到多少种形态。思路 :0定义为反面,1定义为正面,(一开始都是反), 对于每次翻牌操作,我们定义两个边界lb,rb,代表每次中1最少时最少的个数,rb代表1最多时的个数。一张牌翻两次和两张牌翻一次 得到的奇偶性相同,所以结果中lb和最多...
分类:其他好文   时间:2014-07-25 02:15:54    阅读次数:229
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