Problem	burgers
User	loverin
Submission Time	2023-05-09 00:38:57
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

burgers.cpp: In function ‘int main()’:
burgers.cpp:36:12: error: ‘ref’ is not a member of ‘std’
36 | make(std::ref(makeable[0]), recipe1, portions);
| ^~~
burgers.cpp:37:12: error: ‘ref’ is not a member of ‘std’
37 | make(std::ref(makeable[1]), recipe2, portions);
| ^~~