Why dp[2*n] always less than (dp[2*n+1] + z)

#1

can you explain more about why for even we are not considering the next odd number
ie. dp[8] = min( dp[7] + y, dp[4] + x)
why not dp[8] = min( dp[7] + y, dp[4] + x, dp[9] + z)

#2

Hey @amitsharma246813
Please see 5:30 - 9:50 again.

In depth explanation is given in it there.

#3

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