Ê. 栈的实现
栈的实现
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Description
实现栈的基本功能
Format
Input
T组测数据(30组左右)
每组第一行是n表示有n个操作(n<=1000000)
接下来n行
共有2种操作
push x 表示将x压入栈(x在int范围内)
pop 表示出栈,并输出
Output
每个pop输出对应结果
如果此时栈为空,则输出“Empty”
Samples
1
7
pop
push 1
push 2
pop
push 3
pop
pop
Empty
2
3
1
Limitation
1s, 1024KiB for each test case.
第七届SWPU-ACM老生预选赛
- Status
- Done
- Rule
- ACM/ICPC
- Problem
- 187
- Start at
- 2022-9-19 14:00
- End at
- 2022-10-28 14:00
- Duration
- 936 hour(s)
- Host
- Partic.
- 45