Problem $2$

Use proper indentation to rewrite the following pseudocode.

$A[i]A[j]A[i]A[r]x=A[r]$

$i=p-1$

for $j=ptor-1$

$ifA[j]$

exchange $A[i]$ with $A[j]$

end $if$

exchange $A[i]$ with $A[r]$

end for