At timestamp 15:30

#1

i don’t understand how (i+1) came ?
lets say s=0 and e=4, then (i+1)=5, what the use ?

can you explain with example ?

thanx in advance.

#2

hello @premang
taking mod with (i+1 ) will ensure that index j will be in between 0 to i (both inclusive).
this is the only reason we are using mod (i+1).

#3

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