View Compilation Error

0_0_15327057_27606.cpp: In function 'void sc(int&)':
0_0_15327057_27606.cpp:39:22: error: 'getchar_unlocked' was not declared in this scope
  register int c = gc();
                      ^
0_0_15327057_27606.cpp: In function 'int main()':
0_0_15327057_27606.cpp:95:16: error: 'm' was not declared in this scope
             sc(m);
                ^