AmazonOA #183
Find Obfuscate Message
估计中等可在线判题
Choose exactly one non-empty substring and rotate it right by 1, i.e. move its last character to the front and shift the other characters right. Find the lexicographically smallest resulting string. Choosing a single character, which leaves the string unchanged, is allowed.
输入格式
One line containing a lowercase string of length 1..100000.
输出格式
Output the smallest string.
样例 1
输入:
aahhab
输出:
aaahhb
样例 2
输入:
abc
输出:
abc
样例 3
输入:
cbaba
输出:
acbab
样例说明
The answers are aaahhb, abc and acbab.