Problem g: 输出等比数列2的n次方

Problem g: 输出等比数列2的n次方

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 1598  Solved: 1257
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Description

输入正整数N(N≤20),输出等比数列2i的前N项1,2,4,8,16...每个数占一行 

Sample Input Copy

5

Sample Output Copy

1
2
4
8
16