Submission #1818991

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Source Code Expand

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

int main(void){
	int n;
	double max = 0;
	double d;
	scanf("%d",&n);
	
	int x[n],y[n];
	int i;
	for(i = 0;i < n; i++){
		scanf("%d",&x[i]);
		scanf("%d",&y[i]);
	}
	
	int j;
	for(j = 0;j < n; j++){
		int k;
		double a, b;
		for(k = 0; k < j; k++){
			a = pow((x[j] - x[k]), 2);
			b = pow((y[j] - y[k]), 2);
			d = sqrt(a + b);
			if(d > max){
				max = d;
			} 
		}
	}
	printf("%f\n",max);
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:8:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ^
./Main.c:13:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&x[i]);
   ^
./Main.c:14:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&y[i]);
   ^

Judge Result