You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
#include <cstdio>
|
|
#include <cmath>
|
|
using namespace std;
|
|
|
|
int main()
|
|
{
|
|
double x1,y1,x2,y2;
|
|
while(~scanf("%lf%lf%lf%lf",&x1,&y1,&x2,&y2))
|
|
printf("%.2lf\n",sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1)));
|
|
return 0;
|
|
}
|
