A. ACM ICPC time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output In a small but very proud high school it was decided to win ACM ICPC. This goal requires to compose as many teams of three as po…
A. ACM ICPCtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIn a small but very proud high school it was decided to win ACM ICPC. This goal requires to compose as many teams of three as possible, b…
A. Tennis Tournament 题目连接: http://www.codeforces.com/contest/628/problem/A Description A tennis tournament with n participants is running. The participants are playing by an olympic system, so the winners move on and the losers drop out. The tourname…
A. Tricky Sum Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/598/problem/A Description In this problem you are to calculate the sum of all integers from 1 to n, but you should take all powers of two with minus in the sum.…
A:每次看是否有能走回去的房间,显然最多只会存在一个,如果有走过去即可,否则开辟新房间并记录访问时间. #include<iostream> #include<cstdio> #include<cmath> #include<cstdlib> #include<cstring> #include<algorithm> using namespace std; #define ll long long #define N 200010…
B. New Skateboard 题目连接: http://www.codeforces.com/contest/628/problem/A Description Max wants to buy a new skateboard. He has calculated the amount of money that is needed to buy a new skateboard. He left a calculator on the floor and went to ask som…