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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. //Memoization
  5. //Top-down because calculating 0, 1, and reaching till bottom N
  6.  
  7. int memo[100];
  8.  
  9. int f(int n)
  10. {
  11. 	if(n == 0) return 0;
  12. 	if(n == 1) return 1;
  13.  
  14. 	if(memo[n]) return memo[n];
  15. 	return memo[n] = f(n-1) + f(n-2);
  16. }
  17.  
  18. int main (void)
  19. {
  20. 	int n;
  21. 	cin >> n;
  22. 	cout << f(n);
  23. 	return 0;
  24. }
  25.  
Success #stdin #stdout 0.01s 5476KB
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https://ideone.com/KFnNdZ
Fib with momoization
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
public

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