Problem2742--数据结构练习 - 栈

2742: 数据结构练习 - 栈

[Creator : ]
Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 8Submit Num: 19Statistics

Description



Sample Input Copy 

2
5
push 2
query
size
pop
query
3
pop
query
size

Sample Output Copy 

2
1
Anguei!
Empty
Anguei!
0

Source/Category

数据结构 栈 
Submit