Problem

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按规则填充数组 - 1

Problem

给定一个非负数 N  - 数组元素的数量 (N<=20)。编写一个程序，根据以下规则用元素填充数组：
1  2  4  8   16  32 ...
在屏幕上以空格分隔一行显示此数组的元素。
 
例子
<头> <正文>

time 1000 ms
memory 32 Mb
Rules for program design and list of errors in automatic problem checking

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# 输入 输出
1 5 1 2 4 8 16