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字母三角形
Time Limit:1000MS  Memory Limit:32768K

Description:

根据输入行值的大小,输出对应的字母三角形。

Input:

输入一些整数n(n<=26),0表示输入结束。

Output:

输出若干个字母三角形。

Sample Input:

10 3 0

Sample Output:

         A
        ABC
       ABCDE
      ABCDEFG
     ABCDEFGHI
    ABCDEFGHIJK
   ABCDEFGHIJKLM
  ABCDEFGHIJKLMNO
 ABCDEFGHIJKLMNOPQ
ABCDEFGHIJKLMNOPQRS
  A
 ABC
ABCDE

Hint:

行长超过26个字母,则后面按ASCII码字符连续

Source:

qn
Status  Submit


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