1015: 【入门】打印字母塔

Memory Limit:16 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:4 Solved:4

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

3

Sample Output Copy

  A
 BAB
CBABC