$6\mathrm{.}5\mathrm{.}1$: Changing the size of a dynamically allocated array.

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$566666\mathrm{.}3523180.$qx$3$zqy$7$

Organize the code blocks to complete the following tasks:

Append floating$-$point numbers read from input to sleepHrs until a negative number is read.

Delete the element at index deleteIndex.

Note: Update sleepHrsSize when increasing and decreasing sleepHrs' size.