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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. const int MAX_SIZE  = 1000;
  5. int main() {
  6. 	int n, v[MAX_SIZE + 1];
  7. 	cin >> n;
  8. 	int zone = 0;
  9.  
  10. 	for (int i =1; i <= n; ++i) {
  11. 		cin >> v[i];
  12. 	}
  13. 		int destination = 1;
  14. 	for (int i = 1; i <= n; ++i) {
  15. 		int flag = 0;
  16.  
  17. 	for (int j = destination; j <= destination; ++j) {
  18. 	//	cout << i << " ";
  19. 		if(i != v[j] && v[j] != 0 ) {
  20. 		flag = 1;
  21. 		destination = v[j];
  22. 	///	v[j] = 0;
  23. 		//cout << destination << " ";
  24. 		}
  25. 		if(flag == 0 && i == v[j]) {
  26. 		//	cout << v[j]<< " ";
  27. 			++zone;
  28. 		//	v[i] = 0;
  29. 		//	v[j] = 0;
  30. 		j = n;
  31.  
  32. 		}
  33. 	flag = 0;
  34. 		}	
  35. 	}
  36. 	cout << zone ;
  37. 	return 0;
  38. }
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin 
4
1 2 3 4
stdout 
1
https://ideone.com/jfBf1n
language:
C++14 (gcc 8.3)
created:
1 year ago
visibility:
public

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