D - Toll RoadTime Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=87493#problem/D Description Exactly N years ago, a new highway between two major cities was built. The highway runs from west to east. It…
A. Hanoi tower Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/gym/100114 Description you the conditions of this task. There are 3 pivots: A, B, C. Initially, n disks of different diameter are placed on the pivot A: the smallest dis…
BOPCTime Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=86686#problem/D Description You invented a new chess figure and called it BOPC. Suppose it stands at the square grid at the point with coordinates …
Another Rock-Paper-Scissors Problem 题目连接: http://codeforces.com/gym/100015/attachments Description Sonny uses a very peculiar pattern when it comes to playing rock-paper-scissors. He likes to vary his moves so that his opponent can't beat him with hi…
题目链接:http://codeforces.com/gym/101981/attachments The use of the triangle in the New Age practices seems to be very important as it represents the unholytrinity (Satan, the Antichrist and the False Prophet bringing mankind to the New World Order with…
题目描述: Malek Dance Club time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output As a tradition, every year before IOI all the members of Natalia Fan Club are invited to Malek Dance Club to have a fu…
D. Optimal Number Permutation time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You have array a that contains all integers from 1 to n twice. You can arbitrary permute any numbers in a. Let…
一边长为a的直角三角形,a^2=c^2-b^2.可以发现1.4.9.16.25依次差3.5.7.9...,所以任何一条长度为奇数的边a,a^2还是奇数,那么c=a^2/2,b=c+1.我们还可以发现,1.4.9.16.25.36各项差为8.12.16.20,偶数的平方是4的倍数,那么c=a^2/4-1,b=a^2/4+1. #include <iostream> using namespace std; int main() { long long n; cin>>n; n*=n;…
