Problem	lightningrod
User	Samyeobeo
Submission Time	2025-06-01 19:09:47
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lightningrod.cpp: In function ‘long long int whotfusereadint()’:
lightningrod.cpp:20:14: error: ‘getchar_unlock’ was not declared in this scope; did you mean ‘getchar_unlocked’?
20 | ch = getchar_unlock();
| ^~~~~~~~~~~~~~
| getchar_unlocked