Codeforces 266A Stones on the Table Solution in C

1. #include <iostream>
2. using namespace std;
3. int main ()
4. {
5. int n,s=0;
6. string m;
7. cin>>n>>m;
8. if (n==1)
9. {
10. cout<<"0"<<endl;
11. return 0;
12. }
13. for (int i=0;i<n-1;i++)
14. {
15. if (m[i]==m[i+1]) s++;
16. }
17. cout<<s<<endl;
18. return 0;
19. }