How to do this plz tell me approach

#1

How to do this plz tell me approach

#2

Hi @aakshatmalhotra100
Refer this -->

#3

i don’t know hashmaps or graphs yet, this is given after we were taugh arrays

#4

hi @aakshatmalhotra100
after covering hashmaps and graphs come back to this ques… for now skip it…

#5

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