Sir can you explain corner case more

#1

Sir i am unable to understand corner case can you explain more.

#2

the condition you have applied in while loop may fail inside the while loop

so you have to make a check inside loop as well

consider this example
3 5
1 2 3 4 5
6 7 8 9 10
11 12 13 14 15

and dry run the code you will understand

#3

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