Problem	problemsetter
User	CHEN115217
Submission Time	2025-03-21 22:37:07
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

problemsetter.cpp: In function ‘int main()’:
problemsetter.cpp:9:13: error: ‘null’ was not declared in this scope
9 | cin.tie(null);
| ^~~~