C++ advanced filling shape techniques?

Question

I've been practicing how to draw shapes in c++, and while I am able to fill them up with single sets of symbols or characters, I was wondering if there was a way to section off certain parts of a shape with different sets of symbols. Like these: (imagine its a 6x6 square)

$##### $#####
$#### #$####
$$### ##$###
$$## ###$##
$$$# ####$#
$$$ #####$

Answer 1

https://code.sololearn.com/cNZBrTt04hnS/?ref=app