$3.)$ Examine the $C++$ source code given in the following two questions. Trace the programs and write down the exact output that would be displayed when the programs run. Your answers should be writhen into the given box next to each program sourco code. $(25$ Points$)$

$3\mathrm{.}1(5pts)$

$3\mathrm{.}2(10$ pts$)$

$3\mathrm{.}3(10$ pts$)$