I did not understand the second check parent wala jo hsi

#1

i did not understand the second check parent wala jo hsi

#2

@Aditya-Kushwaha-914550392281281 which time stamp?

#3

from time stamp 7.40

#4

@Aditya-Kushwaha-914550392281281 sir explained at time stamp 3.00 , we are just basically checking ki visited node jo hai vahin se to aa nahi rahe the hum so parent[node]!=nbr

#5

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