Submission #2868877

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Source Code Expand

#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <algorithm>

using namespace std;

const int N=100+1;
double maxn=0;
int n;

struct node
{
	int x;
	int y;
}point[N];

double dis(int x1,int y1,int x2,int y2)
{
	int xx=abs(x1-x2);
	int yy=abs(y1-y2);
	return sqrt(xx*xx+yy*yy);
}

int main()
{
	scanf("%d",&n);
	for (int i=0;i<n;i++)
	{
		scanf("%d %d",&point[i].x,&point[i].y);
	}
	for (int i=0;i<n;i++)
		for (int j=i+1;j<n;j++)
		{
			maxn=max(maxn,dis(point[i].x,point[i].y,point[j].x,point[j].y));
		}
	printf("%.6lf\n",maxn);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:27:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:30:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&point[i].x,&point[i].y);
                                         ^

Judge Result