kingsubin

import java.io.*;
import java.util.*;
 
public class boj_10973 {
    static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    static StringTokenizer st;
    static int N;
    static int[] a;
 
    public static void main(String[] args) throws IOException {
        N = Integer.parseInt(br.readLine());
        a = new int[N];
 
        st = new StringTokenizer(br.readLine());
        for (int i = 0; i < N; i++) {
            a[i] = Integer.parseInt(st.nextToken());
        }
 
        if (prev_permutation()) {
            for (int i = 0; i < N; i++) {
                System.out.print(a[i] + " ");
            }
        } else {
            System.out.println(-1);
        }
    }
 
    static boolean prev_permutation() {
        int i = N-1;
        while (i > 0 && a[i-1] <= a[i]) i-=1;
        if (i <= 0) return false;
 
        int j = N-1;
        while (a[j] >= a[i-1]) j-=1;
 
        int temp = a[i-1];
        a[i-1] = a[j];
        a[j] = temp;
 
        j = N-1;
        while (i < j) {
            temp = a[i];
            a[i] = a[j];
            a[j] = temp;
            i += 1; j -= 1;
        }
 
        return true;
    }
}
 

 

- 수학, 브루트포스

 

- next_permutation 함수에서 반대로 뒤집은 느낌 

 

 

 

 

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www.acmicpc.net/problem/10973