lab3_n4

#include <iostream>
#include "cmath"
using namespace std;

int main()
{
    int a, b, i, r;
    //a(i) = 3b(i-a)+2(i-a)
    //b(i) = 2a(i-1)+b(i-1)
    a = 1; b = 1;
    for (i = 2; i <= 16; i++)
    {
        if(a==1 && b==1)
        {
            cout << "a" << 1 << "=" << a << "\n";
            cout << "b" << 1 << "=" << b << "\n";
            r = a;
            a = (3 * r) + (2 * b);
            b = (2 * r) + b;
            cout << "a" << i << "=" << a << "\n";
            cout << "b" << i << "=" << b << "\n";
        }
        else
        {
            r = a;
            a = (3 * r) + (2 * b);
            b = (2 * r) + b;
            cout << "a" << i << "=" << a << "\n";
            cout << "b" << i << "=" << b << "\n";
        }

    }

}