~cpp #include <iostream> using namespace std; int fibonachi(int num); int main() { int num; cout << " ( )? "; cin >> num; while(num >= 0) { cout << num << " " << fibonachi(num) <<" .\n"; cout << " ( )? "; cin >> num; } return 0; } int fibonachi(int num) { if(num > 1 ) return fibonachi(num-1) + fibonachi(num-2); else return 1; }