1971: Output pattern
内存限制：128 MB
时间限制：1.000 S
评测方式：文本比较
命题人：
提交：26
解决：17
题目描述
Please output the pattern as shown in the figure below:
输入
The input has several lines, and each line has a non-negative integer n, which means that the graph to be output has n lines. n=0 means end. (N<=30)
输出
Each n outputs a graph with n rows and n columns composed of "*".
样例输入 复制
2
5
0样例输出 复制
*
**
*
**
***
****
*****