Лабораторная №5 (1)

#include <iostream>
#include <cmath>

using namespace std;

int main()
{
    int a,b,c;
    cout<<"Enter the length of the sides of the triangle: ";
    cin>>a>>b>>c;

    if (a==b&&b==c)
        cout<<"Your triangle is equilateral!!";
    return 0;
}