given a stack which can keep m numbers at most. push n numbers in the order of 1, 2, 3, ..., n and p
时间: 2023-04-25 18:04:37 浏览: 128
op out the numbers in the order of p, p-1, p-2, ..., 2, 1. If p is greater than m, output "error".
给定一个最多可以容纳m个数字的栈。按照1, 2, 3, ..., n的顺序将n个数字压入栈中,然后按照p, p-1, p-2, ..., 2, 1的顺序弹出数字。如果p大于m,则输出“错误”。
相关问题
given a stack which can keep m numbers at most. push n numbers in the order of 1, 2, 3, ..., n and pop randomly. you are supposed to tell if a given sequence of numbers is a possible pop sequence of the stack. for example, if m is 5 and n is 7, we can obtain 1, 2, 3, 4, 5, 6, 7 from the stack, but not 3, 2, 1, 7, 5, 6, 4.
这个题目描述了一个场景:给定一个最多可以容纳m个数的栈,按1,2,3,……,n的顺序压入n个数,并随机弹出。你需要判断给定的数字序列是否可能是该栈的弹出序列。例如,当m为5,n为7时,我们可以从栈中获得1,2,3,4,5,6,7,但不能获取3,2,1,7,5,6,4。
Entries in a stack are "ordered". What is the meaning of this statement?
The statement "entries in a stack are ordered" means that the elements or items in a stack are arranged in a specific manner, usually in a last-in-first-out (LIFO) manner, where the most recently added item is the first one to be removed. This ordering is essential to the functioning of a stack, as it ensures that items are removed in the correct order and that the integrity of the data structure is maintained.