push_swap

A 42 Cursus Project

Objectives

The project requires students to receive an unsorted arrangement of numbers and sort them in ascending order with a limited set of instructions.

Instruction	Description
sa (swap a)	swap the first two elements at top of Stack A
sb (swap b)	swap the first two elements at top of Stack B
ss	perform sa and sb simultaneously
pa (push a)	take the first element of Stack B and place in top of Stack A
	do nothing if B is empty
pb (push b)	take the first element of Stack A and place in top of Stack B
	do nothing if A is empty
ra (rotate a)	move all elements up in Stack A
rb (rotate b)	move all elements up in Stack B
rr	perform ra and rb simultaneously
rra (reverse rotate a)	move all elements down in Stack A
rrb (reverse rotate b)	move all elements down in Stack B
rrr	perform rra and rrb simultaneously