#5688. 【入门】打印字母塔
-
ID: 5688
Type: Default
1000ms
16MiB
Tried: 0
Accepted: 0
Difficulty: (None)
Uploaded By:
【入门】打印字母塔
Description
输入行数N,打印图形.
Input Format
输入只有一行，包括1个整数。(N<=15)
Output Format
输出有N行.
3
A
BAB
CBABC
Source
字符型