Problem	travel
User	haydendoo
Submission Time	2023-06-06 18:12:40
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

travel.cpp: In function ‘int main()’:
travel.cpp:11:2: error: ‘out’ was not declared in this scope
11 | out << a[n-1]-a[0] << " ";
| ^~~