Submission #1819078

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Source Code Expand

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

int main(){
  int N;
  double x[100],y[100];
  scanf("%d",&N);
  for(int i = 0; i < N; i++){
    scanf("%lf %lf",&x[i],&y[i]);
  }

  int j,k;
  double L,maxL;
  for(j = 0; j < N; j++){
    for(k = 0; k < N; k++){
      L = sqrt((x[j] - x[k])*(x[j] - x[k]) + (y[j] - y[k])*(y[j] - y[k]));
      if(maxL < L){
	maxL = L;
      }
    }
  }
  printf("%lf\n",maxL);
  return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:7:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&N);
   ^
./Main.c:9:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lf %lf",&x[i],&y[i]);
     ^

Judge Result