Submission #1129872

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Source Code Expand

#include<stdio.h>
#include<math.h>
#define EPS 1e-10

int x[1000], y[1000];

double distance(int x1, int y1, int x2, int y2) {
	double res=0;
	res = sqrt((double)(x2-x1)*(x2-x1)+(double)(y2-y1)*(y2-y1));

	return res;
}

int main(void)
{
	int tx1, ty1, tx2, ty2, T, V;
	int n;
	int i;
	double res = 0;
	int flag=0;

	scanf("%d %d %d %d %d %d",&tx1,&ty1,&tx2,&ty2,&T,&V);
	scanf("%d",&n);
	for (i = 0; i < n; i++) 
		scanf("%d %d",&x[i],&y[i]);

	for (i = 0; i < n; i++) {
		res += distance(tx1,ty1,x[i],y[i]);
		res += distance(tx2, ty2, x[i], y[i]);
		if (res <= (double)T*V + EPS) {
			flag = 1;
			break;
		}
		res = 0;
	}
	
	if (flag)printf("YES\n");
	else printf("NO\n");

	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:22:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d %d %d %d",&tx1,&ty1,&tx2,&ty2,&T,&V);
  ^
./Main.c:23:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ^
./Main.c:25:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&x[i],&y[i]);
   ^

Judge Result