제출 #78399

실행 실패 (제출 코드 컴파일 에러)

Main.cpp: In function ‘int CountRepaintNumber(Board, int, int)’:
Main.cpp:58:56: warning: narrowing conversion of ‘(& board.std::vector<std::vector<int> >::operator[](((std::vector<std::vector<int> >::size_type)i_row)))->std::vector<int>::operator[](((std::vector<int>::size_type)i_column))’ from ‘__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type’ {aka ‘int’} to ‘char’ [-Wnarrowing]
   58 |             char& currentUnit { board[i_row][i_column] };
      |                                                        ^
Main.cpp:58:56: error: cannot bind non-const lvalue reference of type ‘char&’ to a value of type ‘__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type’ {aka ‘int’}