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  1. #include <bits/stdc++.h>
  2.  
  3. #define ll long long
  4. #define el cout << '\n'
  5.  
  6. using namespace std;
  7.  
  8. int t, n, x;
  9. string s;
  10.  
  11. int main()
  12. {
  13.     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  14.     if (fopen("B.INP", "r"))
  15.     {
  16.         freopen("B.INP", "r", stdin);
  17.         freopen("B.OUT", "w", stdout);
  18.     }
  19.  
  20.     cin >> t;
  21.     while (t--)
  22.     {
  23.         cin >> n >> x;
  24.         cin >> s;
  25.         s = ' ' + s;
  26.         int fi = 0;
  27.         int lt = n + 1;
  28.         for (int i = 1; i <= n; i++)
  29.         {
  30.             if (s[i] == '.')
  31.                 continue;
  32.             if (i < x)
  33.                 fi = max(fi, i);
  34.             else if (i > x)
  35.                 lt = min(lt, i);
  36.         }
  37.         cout << max(min(x - 1, n - lt + 1), min(fi, n - x)) + 1, el;
  38.     }
  39. }
  40.  
Success #stdin #stdout 0.01s 5284KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/3C12Nj
language:
C++14 (gcc 8.3)
created:
4 days ago
visibility:
public

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