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搜索关键字:magic squares    ( 1700个结果
uva 639 Don't Get Rooked (暴力回溯 )
uva 639 Don't Get Rooked In chess, the rook is a piece that can move any number of squares vertically or horizontally. In this problem we will consider small chess boards (at most 44) tha...
分类:其他好文   时间:2015-01-27 18:36:48    阅读次数:195
欧拉计划(python) problem 6
Sum square difference Problem 6 The sum of the squares of the first ten natural numbers is, 12 + 22 + ... + 102 = 385 The square of the sum of the first ten natural numbers is, (1 + 2 + ....
分类:编程语言   时间:2015-01-27 09:34:10    阅读次数:170
hdu 4323 Magic Number( DP )
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4323 Magic Number Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1728    Accepted Submissi...
分类:其他好文   时间:2015-01-26 13:45:10    阅读次数:116
Math Magic(完全背包)
Math MagicTime Limit:3000MSMemory Limit:32768KB64bit IO Format:%lld & %lluSubmitStatusDescriptionYesterday, my teacher taught us about math: +, -, *, ...
分类:其他好文   时间:2015-01-24 17:05:41    阅读次数:161
【HDOJ】5155 Harry And Magic Box
DP。dp[i][j]可以表示i行j列满足要求的组合个数,考虑dp[i-1][k]满足条件,那么第i行的那k列可以为任意排列(2^k),其余的j-k列必须全为1,因此dp[i][j] += dp[i-1][k]*(2^k)*C(j, k)。 1 /* 5155 */ 2 #include 3 #i....
分类:其他好文   时间:2015-01-22 10:48:12    阅读次数:291
Codility NumberSolitaire Solution
1.题目: A game for one player is played on a board consisting of N consecutive squares, numbered from 0 to N ? 1. There is a number written on each squa...
分类:其他好文   时间:2015-01-21 18:08:23    阅读次数:340
[Linux驱动]字符设备驱动学习笔记(三)———高级
一,ioctl使用实例ioctl使用实例驱动程序.h文件 memdev.h[cpp]view plaincopy/*定义幻数*/#defineMEMDEV_IOC_MAGIC'k'/*定义命令*/#defineMEMDEV_IOCPRINT_IO(MEMDEV_IOC_MAGIC,1)#define...
分类:系统相关   时间:2015-01-20 21:58:51    阅读次数:194
USACO Palindromic Squares 【STL__string_的应用】
题目意思很简单啦,就是找回文使用string可以高速A过Source code:/*ID: wushuai2PROG: palsquareLANG: C++*///#pragma comment(linker, "/STACK:16777216") //for c++ Compiler#includ...
分类:其他好文   时间:2015-01-20 21:45:29    阅读次数:128
ZOJ3662Math Magic(分组背包+完全背包)
I - Math Magic Time Limit:3000MS     Memory Limit:32768KB     64bit IO Format:%lld & %llu Submit Status Description Yesterday, my teacher taught us about math: +, -, *, /, GCD, LCM... ...
分类:其他好文   时间:2015-01-18 18:34:59    阅读次数:203
uva227 谜题
Puzzle  A children's puzzle that was popular 30 years ago consisted of a 5x5 frame which contained 24 small squares of equal size. A unique letter of the alphabet was printed on each sm...
分类:其他好文   时间:2015-01-17 18:09:26    阅读次数:265
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