3409: 计算2的幂
Memory Limit:256 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:3
Solved:2
Description
[md]
给定非负整数$n$,求$2^n$的值,即$2$的$n$次方。
[/md]
Sample Input Copy
3
Sample Output Copy
8