Assignment 4 Pseudocode

Diamond

//three loops, one for upper, one for middle, one for lower

h = height / 2

if h is even
	height - 1

//upper half
for height to 0
	for 0 to outer index
		print space
	for 0 to (height - outer index)
		print star
	print newline

//middle row
for 0 to height
	print star

//bottom row	
for 0 to height
	for 0 to outer index
		print space
	for 0 to (height - outer index)
		print star
	print newline
	

Filled stairs

for 0 to height
	for 0 to outer index
		print star
	print newline

Outlined stairs

for 0 to height
	for 0 to outer index
		if at edge 
			print star
		else
			print space
	print newline
	
	
//How to tell if at edge:
*inner index equals 0 //left side
*inner index plus 1 equals outer index //right side
*outer index equals height //bottom

Rectangle

//for loop for length, for loop for width

for 0 to length
	for 0 to width
		print star
	print newline

Sum

//two approaches
//first:

read into choice
while choice not zero
	sum + choice
	read into choice
	
	
//second:
while (read into choice) not zero
	sum + choice

Triangle

//outer for loop for each line, first inner for spaces, second inner for stars

for height to 0 //contains outer index
	for 0 to outer index
		print space
	for 0 to (height - outer index)
		print star
	print newline

X to Y

//increment or decrement x or y

If x < y
	for x to y
		print x
Else x > y
	for y to x
		print y