Program C++ Menghitung Phytagoras

#include<iostream>
#include <stdio.h>
#include <conio.h>
int main ()
{
float a, b, c, sisimiring, alas, tinggi;
a = alas;
b = tinggi;
c = sisimiring;
printf("Masukkan alas :", a);
scanf("%f", &a);
printf("Masukkan tinggi :", b);
scanf("%f", &b);
if (a > 0 && b > 0)
{
c = (a * a) + (b * b);
printf("Sisi miring segitiga = %.f", c);
}
getch ();
}

Outputnya :