View Compilation Error

0_0_38989888_19360.cpp: In function 'void read(int&)':
0_0_38989888_19360.cpp:98:14: error: '_getchar_unlocked' was not declared in this scope; did you mean '_getchar_nolock'?
   98 | #define nc() _getchar_unlocked()
      |              ^~~~~~~~~~~~~~~~~
0_0_38989888_19360.cpp:101:22: note: in expansion of macro 'nc'
  101 |     static char ch = nc();
      |                      ^~
0_0_38989888_19360.cpp: In function 'int main()':
0_0_38989888_19360.cpp:98:14: error: '_getchar_unlocked' was not declared in this scope; did you mean '_getchar_nolock'?
   98 | #define nc() _getchar_unlocked()
      |              ^~~~~~~~~~~~~~~~~
0_0_38989888_19360.cpp:127:25: note: in expansion of macro 'nc'
  127 |         static char c = nc();
      |                         ^~