What's wrong with this code

#1
#2

@Narasimha
since you are printing all the answer in one bfs you should store the answer or csf for a particular vertex in an array then print the resulting arrays and if bfs is unable to visit any node then you must print -1.

#3

@Narasimha
here i made few modification to your code if you have any doubt feel free to ask

#4

@Narasimha
please mark your code as resolved in my doubt section and rate me as well.

#5

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