Problem	foodchain
User	Tqin
Submission Time	2025-02-09 00:11:58
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

foodchain.cpp: In function ‘int main()’:
foodchain.cpp:6:43: error: ‘null’ was not declared in this scope
6 | ios_base::sync_with_stdio(false);cin.tie(null);cout.tie(null);
| ^~~~