제출 #93006

실행 실패 (제출 코드 컴파일 에러)

Main.cpp:14:9: error: ‘unordered_map’ does not name a type
   14 |         unordered_map<int, int> history;
      |         ^~~~~~~~~~~~~
Main.cpp: In member function ‘void Data::Insert(int)’:
Main.cpp:20:17: error: ‘history’ was not declared in this scope
   20 |                 history[Num]++;
      |                 ^~~~~~~
Main.cpp: In member function ‘void Data::Empty()’:
Main.cpp:25:41: error: ‘history’ was not declared in this scope
   25 |                 while(!Maxpq.empty() && history[Maxpq.top()] == 0)
      |                                         ^~~~~~~
Main.cpp:30:41: error: ‘history’ was not declared in this scope
   30 |                 while(!Minpq.empty() && history[Minpq.top()] == 0)
      |                                         ^~~~~~~
Main.cpp: In member function ‘void Data::Remove(int)’:
Main.cpp:43:25: error: ‘history’ was not declared in this scope
   43 |                         history[Maxpq.top()]--;
      |                         ^~~~~~~
Main.cpp:49:25: error: ‘history’ was not declared in this scope
   49 |                         history[Minpq.top()]--;
      |                         ^~~~~~~