题目链接: A. Bear and Three Balls time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Limak is a little polar bear. He has n balls, the i-th ball has size ti. Limak wants to give one ball to each…
sort一发,去重 #include<cstdio> #include<iostream> #include<queue> #include<string.h> #include<string> #include<map> #include<algorithm> using namespace std; const int N=55; int a[N]; int n; int main() { scanf("%d…
Codeforces17A 题意: 有一种素数会等于两个相邻的素数相加 如果在2~n的范围内有至少k个这样的素数,就YES,否则就NO; 思路: 采用直接打表,后面判断一下就好了.那个预处理素数表还是满赞的~~ 不多说,上code-----. #include<bits/stdc++.h> #include<string.h> using namespace std; typedef long long LL; typedef unsigned long long ULL; con…
I - 9 Time Limit:1000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 327B Description Iahub and Iahubina went to a date at a luxury restaurant. Everything went fine until paying for the food. Instead o…
A. Bear and Three Balls time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Limak is a little polar bear. He has n balls, the i-th ball has size ti. Limak wants to give one ball to each of his…