Doubt in undirected graph cycle detection

#1

sir
why we use pointer array here

#2

@Royal_Yashasvi hey ,graph representation me hmne array of pointers lia kyunki har element us array ka node represent krrha hai and us node pr ek pointer hai jo another array ko point krrha hai jo ki neigbours array hai jisme sare neighbours hai us node ke ,also baki is tree me pointer se array li hai kyunki hm dynamic memory allocate krrhe hai chahe to ap use normally bhi le skte hai.

#3

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