2086: 【循环嵌套】tower01

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:123 Solved:111

Description

金字塔图形,如n=3时



@



@
@
@

@
@
@
@
@

Input

n,一个整数

Output

一个n行金字塔

Sample Input Copy

3

Sample Output Copy

  @
 @@@
@@@@@

Source/Category