Problem	lightningrod
User	zyh571
Submission Time	2023-04-21 14:44:06
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lightningrod.cpp: In function ‘int readInt()’:
lightningrod.cpp:7:39: error: ‘_getchar_nolock’ was not declared in this scope; did you mean ‘getchar_unlocked’?
7 | while (ch < '0' || ch > '9') ch = _getchar_nolock();
| ^~~~~~~~~~~~~~~
| getchar_unlocked
lightningrod.cpp:10:8: error: ‘_getchar_nolock’ was not declared in this scope; did you mean ‘getchar_unlocked’?
10 | ch = _getchar_nolock();
| ^~~~~~~~~~~~~~~
| getchar_unlocked