Лаби Ptaskbook (C#). 1й курс
2
#include "stdafx.h"
#include <stdio.h>
#include <iostream>
#include <math.h>
int _tmain(int argc, _TCHAR* argv[])
{ float x1, y1, x2, y2;
scanf_s ("%f%f%f%f", &x1, &y1, &x2, &y2);
float r1, r2;
float k1, k2;
r1 = x1 - x2; r2 = y1 - y2;
k1 = pow(r1, 2);
k2 = pow(r2, 2);
float d = sqrt(k1+k2);
printf("D=%f\n", d);
system("pause");
return 0;