Problem	burgers
User	user123
Submission Time	2023-08-30 18:45:46
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

burgers.cpp: In function ‘int main()’:
burgers.cpp:21:16: error: ‘roundup’ was not declared in this scope
21 | ll mid=roundup(1.0*(l+r)/2);
| ^~~~~~~