Problem	pairsums
User	technicaldifficulty
Submission Time	2025-06-05 21:27:44
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

pairsums.cpp: In function ‘int main()’:
pairsums.cpp:26:61: error: ‘evens’ was not declared in this scope
26 | int n = total * (total + 1) / 2 - odds * (odds + 1) / 2 - evens * (evens + 1) / 2
| ^~~~~