Computers allocate a chunk of memory to be the “stack”, a place where you can store bytes for later use. You can do 2 things with a stack: push a value onto it, which goes on top of the previous ...

sa Swap the first 2 elements at the top of stack a. sb Swap the first 2 elements at the top of stack b. ss sa and sb at the same time. ra Shift up all elements of stack a by 1, the first element ...

A stack is what’s called a last-in, first-out data structure (abbreviated LIFO and pronounced “life-o”). It’s a linear data structure where we add elements to a list at one end, and remove them from ...