KNAPSACH PROBLEM

#1

IN THIS HOW INCLUCDE AND EXCLUDE VARIABLE WORK?

#2

See the difference in both function calls for these.
While excluding you keep the available capacity for next item same as before, but in include you reduce by weight of item i. This stems from the fact that you can either select an item or not select it. Function just returns the maximum of these 2

#3

hpw recursion worls here I am not able to deduce a recursion tree

#4

You can try seeing this https://www.youtube.com/watch?v=ntCGbPMeqgg or this https://www.youtube.com/watch?v=T4bY72lCQac

#5

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