Problem	cups
User	PlayVoltz
Submission Time	2023-07-23 13:42:17
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

cups.cpp: In function ‘bool cupexists(long long int)’:
cups.cpp:10:9: error: ‘cups’ was not declared in this scope
10 | return cups.find(num) != cups.end();
| ^~~~