Problem	party_noi
User	dieunq1309
Submission Time	2024-02-29 15:33:21
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

party_noi.cpp: In function ‘int main()’:
party_noi.cpp:16:8: error: ‘sum’ was not declared in this scope
16 | else sum += arr[i];
| ^~~