Start 2025-01-19 10:31:39

寒假作业（A班）

End 2025-02-08 00:00:00
Contest is over.
Now 2026-05-27 07:05:58

X. 金字塔形

Description

输出一个n(1<n<50)行的"*"字金字塔形

Input

整数n

Output

n行的"*"字金字塔形

Examples

Input

4

Output

   *
  ***
 *****
*******

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Time Limit 1 second
Memory Limit 128 MB
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