Problem	foodchain
User	Ok
Submission Time	2023-03-07 01:58:31
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

foodchain.cpp: In function ‘int main()’:
foodchain.cpp:6:5: error: ‘mod’ was not declared in this scope; did you mean ‘modf’?
6 | mod = 1000000009;
| ^~~
| modf