#include<iostream>
#include<cmath>
using namespace std;
int main()
{
float x1,y1,x2,y2;
cout<<"Enter x1 and y1 :";
cin>>x1>>y1;
cout<<"Enter x2 and y2 :";
cin>>x2>>y2;
float distance=pow((pow(x2-x1,2))+pow(y2-y1,2),0.5);
cout<<"The distance between the two points is :"<<distance;
return 0;
}
CiNpbmNsdWRlPGlvc3RyZWFtPgojaW5jbHVkZTxjbWF0aD4KdXNpbmcgbmFtZXNwYWNlIHN0ZDsKCmludCBtYWluKCkKewoJZmxvYXQgeDEseTEseDIseTI7Cgljb3V0PDwiRW50ZXIgeDEgYW5kIHkxIDoiOwoJY2luPj54MT4+eTE7Cgljb3V0PDwiRW50ZXIgeDIgYW5kIHkyIDoiOwoJY2luPj54Mj4+eTI7CgkKCWZsb2F0IGRpc3RhbmNlPXBvdygocG93KHgyLXgxLDIpKStwb3coeTIteTEsMiksMC41KTsKCQoJY291dDw8IlRoZSBkaXN0YW5jZSBiZXR3ZWVuIHRoZSB0d28gcG9pbnRzIGlzIDoiPDxkaXN0YW5jZTsKCXJldHVybiAwOwp9