fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	long long int n,temp,i;
  7. 	set<int> s;
  8. 	cin >> n;
  9. 	for(i=0;i<n;i++)
  10. 	{
  11. 		cin >> temp;
  12. 		s.insert(temp);
  13. 	}
  14. 	cout << s.size();
  15. 	return 0;
  16. }
Success #stdin #stdout 0.01s 5428KB
comments (?)
stdin
copy 
5
2 3 2 2 3
stdout
copy 
2
https://ideone.com/WKx353
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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!