Sukujuhla

input/code.cpp:2:7: error: expected nested-name-specifier before 'namepsace'
 using namepsace std;
       ^
input/code.cpp:2:7: error: 'namepsace' has not been declared
input/code.cpp:2:17: error: expected ';' before 'std'
 using namepsace std;
                 ^
input/code.cpp:2:17: error: 'std' does not name a type
input/code.cpp: In function 'int main()':
input/code.cpp:4:3: error: 'ios_base' has not been declared
   ios_base::sync_with_stdio(0);
   ^
input/code.cpp:5:3: error: 'cin' was not declared in this scope
   cin.tie(0);
   ^
input/code.cpp:5:3: note: suggested alternative:
In file included from input/code.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^
input/code.cpp:10:29: error: expected ';' before ')' token
     for (int i = 0; i <= 2*k) {
                             ^
input/code.cpp:17:5: error: 'cout' was not declared in this scope
     cout << (pos1%2 ? 'A' : 'B') << endl;...

#include <iostream>
using namepsace std;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  int n, m, k;
  cin >> n >> m >> k;
  if (m == 1) {
    int pos1 = 16;
    for (int i = 0; i <= 2*k) {
      int v;
      cin >> v;
      if (v == 1) {
        pos1 = i;
      }
    }
    cout << (pos1%2 ? 'A' : 'B') << endl;
  } else if (m == 10) {
    
  } else {
    
  }
}