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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. long int fib2(int n){
  5. 	int a = 1;
  6. 	int b = 1;
  7. 	for (int i = 3; i <= n; i++){
  8. 		int pom = a;
  9. 		a = b;
  10. 		b = pom + b;
  11. 	}
  12. 	return b;
  13. }
  14. int main( ) {
  15. 	cout << fib2(32) << endl;
  16. 	cout << fib2(40) << endl;
  17. 	cout << fib2(46) << endl;
  18. 	return 0;
  19. }
Success #stdin #stdout 0s 5288KB
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2178309
102334155
1836311903
https://ideone.com/QENiNo
language:
C++ (gcc 8.3)
created:
6 days ago
visibility:
public

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