Let Us C Chapter 2 problem No: C-g

//Program to check a triangle is valid or not

#include<iostream>

using namespace std;

class triangle
{
    //int a,b,c;
public:
    int validation(int x, int y, int z)
    {
        if((x+y+z) == 180)
            return(1);
        else
            return(0);
    }
};

int main(void)
{
    int a,b,c,v;
    triangle t;
    cout<<"Enter three angles of a triangle:\n";
    cout<<"Angle a:  ";
    cin>>a;
    cout<<"Angle b:  ";
    cin>>b;
    cout<<"Angle c:  ";
    cin>>c;
    cout<<endl;

    v=t.validation(a,b,c);
    {
        if(v==1)
            cout<<"Valid Triangle as the sum of three angles "<<a<<" + "<<b<<" + "<<c<<" = 180";
        else
            cout<<"Invalid triangle as the sum of three angles "<<a<<" + "<<b<<" + "<<c<<" = "<<(a+b+c);
    }
}