Check of taken in elements

#1

to keep a check on which elements have been taken in heap do we need hashing???

#2

@neerav hey take row and column index with element in heap itself ,store these 3 things in heap itself as one element.

#3

what if we encounter an index already in the heap

#4

@neerav hi,I dont get your question ,we are traversing and putting each element only one time.

#5

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