我们查看更一般的情况，设人数为m则n 0) :13 res = (res + C(n - m - 1, i - 1) * C(m, i)) * 214 i -= 115 return res * fac[m - 1] * n;16 17 fac = [1]...
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其他好文 时间：
2015-03-13 20:40:42
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181
ChessAlmost everyone knows the problem of putting eight queens on anchessboard such that no Queen can take another Queen. Jan Timman (a famous Dutch c...
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其他好文 时间：
2015-03-09 22:05:32
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231
http://www.hjenglish.com/new/p718262/My little friend Seth, who is eight, pronounces this the best film he has ever seen.我八岁的小伙伴，赛斯，声称这是他看过的最棒的电影。And ...
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其他好文 时间：
2015-02-25 19:51:10
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164
题目链接：http://poj.org/problem?id=1077题目描述：民间流传的推15游戏，不过这里简化为3*3，也就是八数码问题，‘x’表示空位。与AOJ0121的“Seven Puzzle”类似。思路：没什么特别的，构造字符串队列，爆搜一下。注意Hash函数，哈得好就哈哈，哈得不好就只...
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其他好文 时间：
2015-02-24 18:42:15
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291
#include#includechar alp[10][10]={"zero","one","two","three","four","five","six","seven","eight","nine"};char str[1200];int main(){ scanf("%s",str); ....
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其他好文 时间：
2015-02-21 15:28:26
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209
Problem Description
The 15-puzzle has been around for over 100 years; even if you don't know it by that name, you've seen it. It is constructed with 15 sliding tiles, each with a number from 1 to 15 on it, and all packed into a 4 by 4 frame with one tile m...
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编程语言 时间：
2015-02-15 09:29:04
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1023
Solution to the n Queens Puzzle
Time Limit: 1000MS
Memory Limit: 131072K
Total Submissions: 3494
Accepted: 1285
Special Judge
Description
The eight queens puz...
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其他好文 时间：
2015-02-07 09:13:07
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170
Coin sums
Problem 31
In England the currency is made up of pound, £, and pence, p, and there are eight coins in general circulation:
1p, 2p, 5p, 10p, 20p, 50p, £1 (100p) and £2 (200p).
It ...
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编程语言 时间：
2015-02-04 09:34:29
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194
Problem Description The 15-puzzle has been around for over 100 years; even if you don't know it by that name, you've seen it. It is constructed wit...
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其他好文 时间：
2015-01-17 19:17:47
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290
?读取三维网格模型（Wavefront OBJ文件）无法向立方体：cube.obj有法向兔子模型：bunny.obj有法向有纹理八字模型：Eight.objOBJ文件的格式可参考：http://www.cnblogs.com/youthlion/archive/2013/01/21/2870451....
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其他好文 时间：
2014-12-26 21:34:36
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271
