Not getting this question

#1

https://online.codingblocks.com/app/player/61318/content/39257/4695/code-challenge

this is the link …i am not getting this question

#2

do u want me to explain the qn?
or asking for the access of qn?

#3

in which qn do u have doubt?

there are lot of qn in the link which u have given

#4

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#5

nhi hua sir .aap solution de do meko