Submission #2694856

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Source Code Expand

#include<stdio.h>
#include<math.h>
int main() {
	int n, i, j;
	double x[101], y[101], max = 0, cnt = 0;
	scanf("%d", &n);

	for (i = 0; i < n; i++)scanf("%lf %lf", &x[i], &y[i]);

	for (i = 0; i < n; i++) {
		for (j = 0; j < n; j++) {
			cnt = sqrt(pow(x[i] - x[j], 2) + pow(y[i] - y[j], 2));
			if (cnt > max)max = cnt;
		}
	}

	printf("%lf", max);
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:6:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ^
./Main.c:8:25: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  for (i = 0; i < n; i++)scanf("%lf %lf", &x[i], &y[i]);
                         ^

Judge Result