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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int t;
  6. 	t=1;
  7. 	// cin >> t;
  8. 	while (t--){
  9. 		int n;
  10. 	cin >> n;
  11. 	int A[n];
  12. 	for(int i=0;i<n;i++){
  13. 		cin >> A[i];
  14. 	}
  15. 	sort(A,A+n);
  16. 	int dis=1;
  17. 	for(int i=0;i<n-1;i++){
  18. 		if(A[i]!=A[i+1]){
  19. 			dis++;
  20. 		}
  21. 	}
  22. 	cout << dis << endl;
  23. 	}
  24. 	return 0;
  25. }
Success #stdin #stdout 0.01s 5548KB
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stdin
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5
2 3 2 2 3
stdout
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2
https://ideone.com/PTYuRH
language:
C++ 4.3.2 (gcc-4.3.2)
created:
322 days ago
visibility:
public

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