시간 제한메모리 제한제출정답맞힌 사람정답 비율
1 초 128 MB240048039338.872%

문제

8*8 체스보드에 8개의 퀸을 서로 공격하지 못하게 놓는 문제는 잘 알려져 있는 문제이다. 퀸은 같은 행, 열, 또는 대각선 위에 있는 말을 공격할 수 있다. 이 문제의 한가지 정답은 아래 그림과 같다.

이 문제의 조금 더 일반화된 문제는 Franz Nauck이 1850년에 제기했다.

N*N 보드에 N개의 퀸을 서로 다른 두 퀸이 공격하지 못하게 놓는 경우의 수는 몇 가지가 있을까?

이 문제는 N>3인 경우에 경우의 수가 적어도 1개 라는 것이 증명되어 있다. 예를 들어, N=26인 경우에 22317699616364044가지 방법이 있다.

N이 주어졌을 때, N*N 보드에 N개의 퀸을 서로 다른 두 퀸이 공격하지 못하게 놓는 한가지 경우를 출력하는 프로그램을 작성하시오.

입력

첫째 줄에 N이 주어진다. N은 8, 26, 213, 2012, 99991, 99999중 하나이다.

출력

N개의 줄을 출력해야 한다. i번째 줄에는 하나의 정수를 출력해야 하고, 이 정수는 i번째 행에 있는 퀸이 있는 열의 번호이다.

예제 입력 1

8

예제 출력 1

3
6
8
1
4
7
5
2
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IHBpY3R1cmUgYWJvdmU7IHJvd3MgYXJlIG51bWJlcmVkIGZyb210b3AgdG8gYm90dG9tLCBjb2x1bW5zIGFyZSBudW1iZXJlZCBmcm9tbGVmdHRvIHJpZ2h0KTo8XC9wPlxyXG4iLCJoaW50IjoiIiwib3JpZ2luYWwiOiIxIiwiaHRtbF90aXRsZSI6IjAiLCJwcm9ibGVtX2xhbmdfdGNvZGUiOiJFbmdsaXNoIn1d

출처

Olympiad > Baltic Olympiad in Informatics > BOI 2012 P2번