Problem G: 字符串变换最小字符串
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:80
Solved:29
Description
Input
一串小写字母组成的字符串s
Output
按照要求进行变换得到的最小字符串
备注:
s是都是小写字符组成
1<=s.length<=1000
Sample Input Copy
abcdef
Sample Output Copy
abcdef