Question

se da x nr nat. verificati daca x este termen din sirul lui Fibanacci.

Answer 1

#include <iostream>using namespace std;int main(){
int fib1 = 0, fib2 = 1, n,i,fib3,x;
cout << "n= "; cin >> n;
cout << "x= "; cin >> x;

for (i = 0; i < n; i++) { fib3 = fib1 + fib2; fib1 = fib2; fib2 = fib3;
if (x == fib3) cout << "x : " << x << "Este in sirul lui fibonacci ";
}
    return 0;}