Rod cutting problem

#1

code: https://ide.codingblocks.com/s/576715

when I’m replacing cuts with i + 1 which is its value im not getting an answer (commented it out) please explain why this is happening

#2

do it like this
(i+1), so that resultant will be n - i - 1 , by doing this

it’s resultant is n-i+1

#3

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