시간 제한메모리 제한제출정답맞힌 사람정답 비율
1 초 128 MB170492884759.774%

문제

독서를 싫어하는 원섭이는 책에서 단어 하나를 임의로 선택한다. 그 다음, 단어를 세 부분으로 나눈다.

세 부분으로 나눈 단어를 각각 순서를 뒤집는다. (첫 번째 글자와 마지막 글자의 위치를 바꾸고, 두 번째 위치와 뒤에서 두 번째 글자의 위치를 바꾸고... 이런 식으로 계속)

마지막으로, 이 세 단어를 나누기 전과 같은 순서로 합쳐 하나로 만든다.

원섭이는 사전순으로 가장 앞서는 단어를 만들려고 한다. 원섭이가 고른 단어가 주어졌을 때, 만들 수 있는 단어 중 가장 앞서는 단어를 출력하는 프로그램을 작성하시오.

입력

첫째 줄에 원섭이가 고른 단어가 주어진다. 고른 단어는 알파벳 소문자로 이루어져 있고, 길이는 3보다 크거나 같고, 50보다 작거나 같다.

출력

첫째 줄에 원섭이가 만들 수 있는 단어 중 사전순으로 가장 앞서는 단어를 출력한다.

예제 입력 1

dcbagfekjih

예제 출력 1

abcdefghijk

예제 입력 2

mobitel

예제 출력 2

bometil

예제 입력 3

anakonda

예제 출력 3

aanadnok
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

출처

Contest > Croatian Open Competition in Informatics > COCI 2007/2008 > Contest #4 3번