CodeForces 581A Vasya the Hipster(简单题)——Codeforces Beta Round #322 (Div. 2)
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题意:有a双红袜子和b双蓝袜子,刚开始每天两只脚要穿不同颜色的袜子,即左脚穿红袜子,右脚穿蓝袜子,或者左脚穿蓝袜子,右脚穿红袜子,而且每天穿过的袜子都会扔掉,问有多少天可以穿不同颜色的袜子,接下来又有多少天可以穿袜子(即两只脚都有袜子穿)
解题思路:首先针对第一问,有多少天可以穿不同颜色的袜子,因为每天会消耗一只蓝袜子和一只红袜子,所以天数就是袜子少的那种颜色的袜子的数量,即min(a,b)
而接下来有多少天可以穿袜子,这个也简单,除去之前用掉的袜子,剩下的袜子除以2即为所求
#pragma comment(linker, "/STACK:1024000000,1024000000")#include<stdio.h>#include<string.h>#include<stdlib.h>#include<queue>#include<stack>#include<math.h>#include<vector>#include<map>#include<set>#include<stdlib.h>#include<cmath>#include<string>#include<algorithm>#include<iostream>#define exp 1e-10using namespace std;const int N = 1001;const int inf = 1000000000;const int mod = 2009;int main(){ int a,b; scanf("%d%d",&a,&b); if(a<b) swap(a,b); printf("%d %d\n",b,(a-b)/2); return 0;}菜鸟成长记
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