Can you check the error?

Question

https://code.sololearn.com/c9A7A25A1327/#py
Sample Input:
3
3
1 2 3
3
8 4 2
2
2 2
Output:
4
4
2

Answer 1

From where you have taken the question

Answer 2

A video of code chef

Answer 3

Please give the link?

Answer 4

https://youtu.be/fhbOKBBp-wQ