Problem	uniquenumbers
User	fueh
Submission Time	2025-01-22 15:51:48
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

uniquenumbers.cpp: In function ‘int main()’:
uniquenumbers.cpp:12:6: error: expected ‘(’ before ‘not’ token
12 | if not (x in sigma) {
| ^~~
| (