1#include <iostream> 2int main() { 3 int f[2] = {0, 1}; 4 for (int i = 0; i < 31; i++) { 5 std::cout << f[0] << "\n"; 6 f[0] = f[0] + f[1]; 7 f[1] = f[0] - f[1]; 8 } 9}