打印字母塔 - Problem - CGOJ

Problem1093--打印字母塔

1093: 打印字母塔

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Time Limit : 1.000 sec Memory Limit : 16 MiB

Submit Solved: 21 Submit Num: 31 Statistics ShowOff!

Description

输入行数N,打印图形.

Input

输入只有一行，包括1个整数。(N<=15)

Output

输出有N行.

Sample Input Copy

Sample Output Copy

  A
 BAB
CBABC

Source/Category

循环嵌套

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