Submission #1818905

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Source Code Expand

#include<stdio.h>
#include<math.h>

int main(){
    int count,longsq,a;
    longsq=0;
    scanf("%d",&count);
    int x[count],y[count];
    for(int i=0;i<count;i++){
        scanf("%d %d",&(x[i]),&(y[i]));
    }
    for(int j=0;j<count-1;j++){
        for(int k=j+1;k<count;k++){
            a=(x[j]-x[k])*(x[j]-x[k])+(y[j]-y[k])*(y[j]-y[k]);
            //printf("%d %d %d\n",j,k,a);
            if(a>longsq){longsq=a;}
        }
    }
    printf("%f\n",sqrtf(longsq));
    return 0;
}

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