nth fibo recursive.cpp

#include <iostream>

using namespace std;

int fibo (int ctrl) {
    if (ctrl == 0) {
        return 0;
    } else if (ctrl == 1) {
        return 1;
    } else {
        return (fibo(ctrl-1) + fibo(ctrl-2));
    }
}

int main(){
    int ctrl;
    string kwd;

    cout << "Enter Index Of Fibo Term You Want To Find:-\n";
    cin >> ctrl;

    switch (ctrl) {
        case 1:
            kwd = "st";
            break;
        case 2:
            kwd = "nd";
            break;
        case 3:
            kwd = "rd";
            break;
        default:
            kwd = "th";
            break;
    }

    cout << "\nThe " << ctrl << kwd << " fibo term is: " << fibo(ctrl);

    return 0;
}