Codeforces 828B Black Square(简单题) Description Polycarp has a checkered sheet of paper of size n × m. Polycarp painted some of cells with black, the others remained white. Inspired by Malevich's "Black Square", Polycarp wants to paint minimum pos
How PCI Express Works | PCIe工作原理 PCI Express is a high-speed serial connection that operates more like a network than a bus. Learn how PCI Express can speed up a computer and replace the AGP and view PCI Express pictures. Peripheral Component Interco
原题链接:http://acm.hdu.edu.cn/showproblem.php?pid=1312 题目大意:有一间矩形房屋,地上铺了红.黑两种颜色的方形瓷砖.你站在其中一块黑色的瓷砖上,只能向相邻的黑色瓷砖移动,计算你总共能够到达多少块黑色的瓷砖. 要求:输入包含多组数据,每组数据的第一行输入的是两个整数 W 和 H, 分别表示 x 方向与 y 方向上的瓷砖数量,并且 W 和 H 都不超过20.在接下来的 H 行中,每行包含 W 个字符,每个字符表示一块瓷砖的颜色,规则如下: ' . '
题面: G. Snow Boots Input file: standard input Output file: standard output Time limit: 1 second Memory limit: 256 megabytes It's winter on the farm, and that means snow! There are N tiles on the path from the farmhouse to the barn, conveniently number
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ID Origin Title 228 / 440 Problem A HDU 1166 敌兵布阵 207 / 438 Problem B HDU 1754 I Hate It 181 / 727 Problem C POJ 3468 A Simple Problem with Integers 105 / 410 Problem D POJ 2528 Mayor's posters 138 / 230 Problem E HDU 1698 Just a Hook
Description You are to write a program that tries to find an optimal coloring for a given graph. Colors are applied to the nodes of the graph and the only available colors are black and white. The coloring of the graph is called optimal if a maximum
Mayor's posters Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 54067 Accepted: 15713 Description The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral post