C. MaratonIME plays Nim time limit per test : 2.0 smemory limit per test : 64 MBinputstandard inputoutputstandard outputAi Fox!UNIONFIND, GERMANOYou open your eyes, but everything remains dark. The world is dark, and everything shakes. You realize yo…

交互题介绍:https://loj.ac/problem/6 题意:输出Q X ,读入><= 来猜数,小于50步猜出就算过样例 题解:根本不需要每次输出要打cout.flush()... ac: #include<iostream> #include<string> using namespace std; int main() { , r = 1e9; while (l <= r) { ; cout << 'Q' << ' ' <&…

Ballot Analyzing Device 题目连接: http://codeforces.com/gym/100269/attachments Description Election committee of Flatland is preparing for presidential elections. To minimize human factor in ballot counting they decided to develop an automated Ballot Ana…

Problem A. Arrangement of Contest 题目连接: http://codeforces.com/gym/100269/attachments Description Little Dmitry and little Petr want to arrange a contest. Their little friends submitted several task proposals and now Dmitry and Petr want to select som…

Music Mess Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/gym/100463/attachments Description Francis really likes his music. He especially likes that song ’Zombie Nation’. Or was that the album? Or maybe the album was ’Kernkraft 4…

H. Mysterious Photos Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/gym/100187/problem/H Description Everyone probably heard the rumours about the constellation of Bermuda Triangle: any person who looks to this constellation of th…

Problem H. ICPC QuestTime Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/gym/100500/attachments Description Coach Fegla has invented a song effectiveness measurement methodology. This methodology in simple English means count the frequ…

D. Vladik and Favorite Game time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output This is an interactive problem. Vladik has favorite game, in which he plays all his free time. Game field could…

F. Ilya Muromets Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/gym/100513/problem/F Description I Ilya Muromets is a legendary bogatyr. Right now he is struggling against Zmej Gorynych, a dragon with n heads numbered from 1 to nf…

交互题就是程序与电脑代码的交互. 比如没有主函数的程序,而spj则给你一段主函,就变成了一个整体函数. 还有一种就是程序和spj之间有互动,这个用到fflush(stdout);这个函数就可以实现交互了 fflush(stdin) 作用:清理标准输入流,把多余的未被保存的数据丢掉 fflush(stdout) 作用:清空输出缓冲区,并把缓冲区内容输出 CF1103B Game with modulo 题意:有一个需要你猜的数a,你每次可以猜两个数,如果x%a>=y%a,则返回x,否则返回y.你最…