Problem with the code?

#1

I am facing complier error
here is my code

#2

@namangarg31 i am not sure if you can use multiset like this, using priority queue in place of this is working a little fine.

#3

please explain in detail and share me the rectified code

#4

look at this code, its little similar to your code and uses priority queue in place of multiset

#5

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#6

sorry by mistake i have marked this a resolved please let me know if you have any further queries.