Problem	pairofballs
User	jamestan
Submission Time	2023-12-21 19:21:06
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

pairofballs.cpp: In function ‘int main()’:
pairofballs.cpp:30:25: error: ‘i’ was not declared in this scope
30 | int b = arr[i].front();//color
| ^