Problem F: 从*开始学循环之F

Problem F: 从*开始学循环之F

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 293  Solved: 211
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Description

输入自然数n，输出n行#，每行的字符依次递增

Sample Input 

6

Sample Output 

#
##
###
####
#####
######
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