Problem	socks
User	personjs
Submission Time	2025-01-06 20:12:45
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

socks.cpp: In function ‘int main()’:
socks.cpp:7:2: error: ‘res’ was not declared in this scope
7 | res = n * k - n + 1;
| ^~~