fork download
copy 
  1. #include <iostream>
  2. #include <string>
  3. #define endl '\n'
  4. using namespace std;
  5.  
  6. int main() {
  7. 	ios_base::sync_with_stdio(false);
  8. 	cin.tie(NULL);
  9. 	int n , cnt = 1;
  10. 	cin >> n;
  11. 	string c , p;
  12. 	cin >> p;
  13. 	for(int i = 1; i < n - 1; ++i)
  14. 	{
  15. 		cin >> c;
  16. 		if(c != p)
  17. 		{
  18. 			++cnt;
  19. 		}
  20. 		p = c;
  21. 	}
  22. 	cout << cnt << endl;
  23. 	return 0;
  24. }
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
copy 
4
01
01
10
10
stdout
copy 
2
https://ideone.com/2JUpQ9
language:
C++14 (gcc 8.3)
created:
3 days 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!