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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.  
  6. 	int tab[100000000];
  7. 	int n, ile=0;
  8. 	cin >> n;
  9. 	for(int i=0;i<n;i++) {
  10. 		cin >> tab[i];
  11. 	}
  12. 	for(int i=2;i<n;i++) {
  13. 		if(tab[i]==tab[i-1] + tab[i-2]) {
  14. 			ile++;
  15. 		}
  16. 	}
  17. 	cout << ile;
  18.  
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 5292KB
comments (?)
stdin
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10
1 2 3 5 3 8 1 1 2 3
stdout
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5
https://ideone.com/ZBucOe
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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