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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4. vector <int> v;
  5. int main()
  6. {
  7.     ios_base::sync_with_stdio(0);
  8.     cin.tie(0);
  9.     int n, k;
  10.     cin >> n >> k;
  11.     v.resize(n);
  12.     for(int i = 0; i < n; i++)
  13.     {v[i]=i+1;}
  14.     string a;
  15.     cin >> a;
  16.     for(int i = 0; i < k; i++)
  17.     {
  18.      if(a[i] == 'A')
  19.      {
  20.       int b = v[0];
  21.       v.erase(v.begin());
  22.       v.push_back(b);
  23.      }
  24.      if(a[i] == 'B')
  25.      {
  26.       int b = v[1];
  27.       v.erase(v.begin() + 1);
  28.       v.push_back(b);
  29.      }
  30.     }
  31.     cout << v[0];
  32.     return 0;
  33. }
Success #stdin #stdout 0s 5324KB
comments (?)
stdin 
6 6
ABBABA
stdout 
1
https://ideone.com/fTkCqZ
language:
C++ (gcc 8.3)
created:
14 hours ago
visibility:
public

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