SMMR-072: Valentine Plan

#include<bits/stdc++.h>
using namespace std;
double g1[1010],g2[1010];
double sum = 10000000.0;
int main(){
    int n,m;
    scanf("%d %d",&n,&m);
    for(int i=0;i<n;i++){
        scanf("%lf %lf",&g1[i],&g2[i]);
    }
    for(int i=0;i<m;i++){
        double a,b;
        scanf("%lf %lf",&a,&b);

        for(int j=0;j<n;j++){
            double x=g1[j]-a,y=g2[j]-b;
            double sav = sqrt((x*x)+(y*y));
            if(sav<sum){sum=sav;}
        }
    }

    printf("%.3f",sum);

    return 0;
}