D. Searching Rectangles 题目连接: http://codeforces.com/contest/714/problem/D Description Filya just learned new geometry object - rectangle. He is given a field consisting of n × n unit cells. Rows are numbered from bottom to top with integer from 1 to…
Problem K. KMC Attacks 题目连接: http://codeforces.com/gym/100714 Description Warrant VI is a remote planet located in the Koprulu Sector. Warrant VI features a strange huge field, which was discovered by the Kel-Morian Combine (KMC). The KMC is involved…
参考:https://blog.csdn.net/clover_hxy/article/details/70767653 人生第一次交互题...不是很难但是思维和传统题差别挺大的(以及并不会本地测试= =),详见参考blog和代码吧 #include"gap.h" #include<iostream> #include<cstdio> using namespace std; const long long inf=1e18; long long findGap…
B. Lost Number[CF交互题 暴力] This is an interactive problem. Remember to flush your output while communicating with the testing program. You may use fflush(stdout) in C++, system.out.flush() in Java, stdout.flush() in Python or flush(output) in Pascal to…
E. The penguin's game time limit per test: 1 second memory limit per test: 256 megabytes input: standard input output: standard output Pay attention: this problem is interactive. Penguin Xoriy came up with a new game recently. He has n icicles number…
记录一下第一次写交互题 题目大意:一共有1<<n个人参加一场竞标赛,需要你通过比较两人的胜场来判断谁晋级,最终获得第一名 最多1/3*2^(n+1)次询问,每次询问query(a,b),如果a胜场多返回1,如果b胜场多返回2,相同胜场返回0 找到冠军后输出"! i"(i为冠军的编号) 思路: 每次取四个人一组,因为如果这一组人进行了t轮比赛后,最终有一人胜出,那么他们的胜场将为 [ t , t , t+1 , t+2 ],而且 t 和 t 不能出现在同一组,那么他们的胜场排…
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…