i think this prob cannot be solved by DP then...
Because anytime a new value coming into the non decreasing sub-array
obtained by the
DP equation can be disrupted(like in the above example).
I think a backtracking approach cud prove useful.
(Recursion)
anytime we get a new element we can do two things :
Either delete it or decrement the previous values equal to it.
We do both by calling the  same function twice for each element.
Plz comment on this...

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