11 lines
212 B
C++
11 lines
212 B
C++
|
#include <cstdio>
|
||
|
|
#include <cmath>
|
||
|
|
|
||
|
|
int main()
|
||
|
|
{
|
||
|
|
double x1, y1, x2, y2;
|
||
|
|
scanf("%lf%lf", &x1, &y1);
|
||
|
|
scanf("%lf%lf", &x2, &y2);
|
||
|
|
printf("%.4lf\n",sqrt(pow((x1-x2),2)+pow((y1-y2),2)));
|
||
|
|
return 0;
|
||
|
|
}
|