题目1056：最大公约数

#include <iostream>#include <stdio.h>#include <algorithm>#include <math.h>#include <string>#include <string.h>#include <vector>using namespace std;//1056int x,y;int main(){    while(scanf("%d %d",&x,&y)!=EOF){        int ans=-1;        for(int i=1;i<=min(x,y);i++)            if(x%i==0&&y%i==0){                if(i>ans) ans=i;            }        printf("%d\n",ans);    }    return 0;}/**************************************************************    Problem: 1056    User: cust123    Language: C++    Result: Accepted    Time:0 ms    Memory:1520 kb****************************************************************/