Print all nodes at distance k from a given node

#1

how do i make it print ‘0’ if there is no node at a distance k?

Consider this case:
4
60 65 50 70
50 65 60 70
2
65 3 //////////////
60 1

#2

@Karanveer as you have to print in sorted order store the answer in a vector and when displaying if v.size()==0 cout 0
for help refer this

#3

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