Consider the following class of a c$++$ code.$[$Prob$.6.$ Fundamental of Programming$]$

$(21$p$)$ Write the output of the following codes. $($You only need to write

the output values.$)$

int $**p1,**p2$;

$p1=$ new ${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}(6)$;

$p2=p1$;

cout p $2$ endl;

$*$p$2=7$;

cout p p