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题目很简单. 给你n个数,输出n个答案,第i个答案表示从n个数里取遍i个数的异或值的和. 其实每一个数最多也就32位,把所有的数分解,保存每一位总共有多少个1,最后要是这一位的异或结果为1,那么在所有的异或数中,这一位为1的数必须是有奇数个,在求解的时候就是求组合数的情况就可以了. 直接水过. #include <iostream> #include <cstdio> #include <cstring> #define M 1000003 #define maxn 1…
Codeforces Round #256 (Div. 2) C C. Painting Fence time limit per test 1 second memory limit per test 512 megabytes input standard input output standard output Bizon the Champion isn't just attentive, he also is very hardworking. Bizon the Champion d…
Chrome Canary(Chrome “金丝雀版本”)目前已经支持Continuous painting mode,用于分析页面性能.这篇文章将会介绍怎么才能页面在绘制过程中找到问题和怎么利用这个新的工具来解决页面性能上的瓶颈. PS:最新版本的Chrome已经支持该功能查看页面的渲染时间我们采用Things We Left On The Moon by Dan Cederholm的页面来作为我们的例子页面.打开Chrome的Web Inspector(即按F12),选择Timeline页卡…
Vasya works as a watchman in the gallery. Unfortunately, one of the most expensive paintings was stolen while he was on duty. He doesn't want to be fired, so he has to quickly restore the painting. He remembers some facts about it. The painting is a…
题目链接: Wall Painting Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2681    Accepted Submission(s): 857 Problem Description Ms.Fang loves painting very much. She paints GFW(Great Funny Wall) ev…
Problem C. Painting CottagesTime Limit: 2 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/gym/100342/attachments Description The new cottage settlement is organized near the capital of Flatland. The construction company that is building the settl…
There are a row of houses, each house can be painted with three colors red, blue and green. The cost of painting each house with a certain color is different. You have to paint all the houses such that no two adjacent houses have the same color. You…
Problem Description Josh Lyman is a gifted painter. One of his great works is a glass painting. He creates some well-designed lines on one side of a thick and polygonal glass, and renders it by some special dyes. The most fantastic thing is that it c…
Wall Painting Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1026    Accepted Submission(s): 280 Problem Description Ms.Fang loves painting very much. She paints GFW(Great Funny Wall) every da…
Cube painting Problem Description: We have a machine for painting cubes. It is supplied with three different colors: blue, red and green. Each face of the cube gets one of these colors. The cube's faces are numbered as in Figure 1. Figure 1. Since a…