Problem I: 输出数列 1, 11, 111, 1111, 11111...

Problem I: 输出数列 1, 11, 111, 1111, 11111...

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 1464  Solved: 1174
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Description

输入正整数N（N≤10），输出数列中的前N项。每个数占一行 

Sample Input Copy 

5

Sample Output Copy 

1
11
111
1111
11111
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