fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int *dp;
  5. int *used;
  6.  
  7. int f(int i){
  8. 	if(i < 2) return 0;
  9. 	else{
  10. 		if(used[i] == 0){
  11. 			dp[i] = dp[i] + max(f(i-2), f(i-3));
  12. 			used[i] = 1;
  13. 		}
  14. 		return dp[i];
  15. 	}
  16. }
  17.  
  18. int main() {
  19. 	int n, i;
  20. 	cin >> n;
  21. 	dp = new int [n+1];
  22. 	used = new int [n+1];
  23. 	for(i = 1; i<=n; ++i){
  24. 		cin >> dp[i];
  25. 		used[i] = 0;
  26. 	}
  27. 	f(n);
  28. 	cout << dp[n];
  29. 	return 0;
  30. }
Success #stdin #stdout 0s 16112KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/HAakEq
Поиск 1 рекурсия
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!