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  1. #include <algorithm>
  2. #include <iomanip>
  3. #include <iostream>
  4. #include <vector>
  5. #include <set>
  6. #include <numeric>
  7. #include <map>
  8. #include <unordered_map>
  9. #include <stack>
  10. #include <queue>
  11. using namespace std;
  12. #define all(a) a.begin(), a.end()
  13. #define ll long long
  14. #define fo(i,n) for (long long i = 0; i < n; i++)
  15. int main()
  16. {
  17.     ll i,a,b,c,ans;
  18.     ios_base::sync_with_stdio(false);
  19.     string input;
  20.     cin.tie(0); cout.tie(0);
  21.     cin >> i;
  22.     while (i--)
  23.     {
  24.         cin >> a;
  25.         cin >> input;
  26.         b = 0;
  27.         c = 0;
  28.         for (char k : input)
  29.         {
  30.             if (k == '-')
  31.             {
  32.                 b++;
  33.             }
  34.             else
  35.             {
  36.                 c++;
  37.             }
  38.         }
  39.         if (b < 2 || c < 1)
  40.         {
  41.             ans = 0;
  42.         }
  43.         else
  44.         {
  45.             if (b%2 == 0)
  46.             {
  47.                 ans = (b/2) * (b/2) * c;
  48.             }
  49.             else
  50.             {
  51.                 ans = (b/2) * (b/2 + 1) * c;
  52.             }
  53.         }
  54.         cout << ans << '\n';
  55.     }
  56. }
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin
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8
3
--_
5
__-__
9
--__-_---
4
_--_
10
_-_-_-_-_-
7
_------
1
-
2
_-
stdout
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1
0
27
2
30
9
0
0
https://ideone.com/mn3YqP
language:
C++14 (gcc 8.3)
created:
12 days ago
visibility:
public

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