What is the output of the following code segment :

int $x=3$;

int $y=1$;

for $($int $i=1$;$iy$;$i++)$

$\{$

for $($int $j=1$;$jx$;$j++)$

cout #$\text{'}$;

cout $$ endl;

$\}$

Select one:

a$.$ ##

b$.$ # # #

c$.$ ####

d$.$ error