Codeforces Round 911 (Div. 2) 1900A. Cover in Water Solution

Problem Link : https://codeforces.com/contest/1900/problem/A 

Solution in C++:

1. /// Author : AH_Tonmoy
2. #include <bits/stdc++.h>
3. using namespace std;
4. int32_t main() {
5. ios_base::sync_with_stdio(0);
6. cin.tie(0);
7. int t;
8. cin >> t;
9. while (t--) {
10. int n ;
11. cin >> n ;
12. string s ;
13. cin >> s ;
14. bool ok = false ;
15. int cnt = 0 , cnt1 = 0;
16. for (int i = 0 ; i < n ; i++){
17. cnt1 = 0 ;
18. while(s[i] =='.'){
19. cnt1++ , cnt++,i++;
20. if (cnt1 >= 3){
21. ok = true ;
22. break ;
23. }
24. }
25. }
26. if (ok){
27. cout <<"2\n";
28. }
29. else{
30. cout << cnt <<endl;
31. }
32. }
33. return 0 ;
34. }