Problem	pairs
User	ilikeeggs
Submission Time	2026-03-05 10:13:57
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

pairs.cpp: In function ‘long long int f(long long int)’:
pairs.cpp:36:11: error: ‘cSum’ was not declared in this scope
36 | cSum += j;
| ^~~~