Problem	amicablecats
User	hwy
Submission Time	2023-08-11 14:27:19
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

amicablecats.cpp: In function ‘ll func(ll)’:
amicablecats.cpp:10:13: error: ‘res’ was not declared in this scope
10 | res += i;
| ^~~