Problem	uniquenumbers
User	fueh
Submission Time	2025-01-22 15:52:00
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

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