Anyone who solved it, please give a baby editorial for this?

It is very easy to solve what we can do is that checking three conditions

Case 1:- if(max value<min value) ans is 0

Case 2:- if (n==1)

if(max value!=min value) ans is 0 else ans is 1

Case 3 else case then the answer is that all sums betweeen max value +(n-1)*min value and min_value+ (n-1)*max_value both the values inclusive you can dry and run and get it yourself now

solution link.

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Thank You very much!