Submission #1774975

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Source Code Expand

#include<stdio.h>
#include<math.h>
int main(void){
int n, i, j, max=0;
double ans;
int x[100]={0},y[100]={0};
scanf("%d",&n);
for(i=0;i<n;i++){
scanf("%d%d",&x[i],&y[i]);
}
for(i=0;i<n;i++){
  for(j=i+1;j<n;j++){
    if( (x[i]-x[j])*(x[i]-x[j])+(y[i]-y[j])*(y[i]-y[j]) >max){
      max = (x[i]-x[j])*(x[i]-x[j])+(y[i]-y[j])*(y[i]-y[j]);
    }
  }
}
 
ans = sqrt((double)max);
 
printf("%lf\n",ans);
return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:7:1: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d",&n);
 ^
./Main.c:9:1: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d%d",&x[i],&y[i]);
 ^

Judge Result