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原著:
原翻译:
仅此处“非空(非零)”有误。
其余改动出于通顺阅读之目的。
To get a value from the stack, take the highest value which is not 0: this is called pop.
So we can understand why a stack is called a Last In First Out (LIFO) structure.Define a new type Stack for this datastructure.
Make 2 methods Push and Pop. Make a String() method (for debugging purposes) which shows the content of the stack as: [0:i] [1:j] [2:k] [3:l]