백준 2920번

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;

// Press Shift twice to open the Search Everywhere dialog and type show whitespaces,
// then press Enter. You can now see whitespace characters in your code.
public class Main {
public static void main(String[] args) throws IOException {

    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

    StringTokenizer st = new StringTokenizer(br.readLine());

    int[] arr = new int[8];

    for (int i = 0; i < 8; i++) {
        arr[i] = Integer.parseInt(st.nextToken());
    }

    int Max = arr[0];
    int ascnow = arr[0];

    for (int i = 1; i < 8; i++) {
        if(arr[i] > arr[i-1]) {
            Max = arr[i];
        }
        if(arr[i] - arr[i-1] != 1 && arr[i] - arr[i-1] != -1)
        {
            System.out.println("mixed");
            return;
        }
    }



    if(Max==arr[7] ) {
        System.out.println("ascending");
    }
    else if(Max == arr[0]) {
        System.out.println("descending");
    }
   





}

}

if(arr[i] - arr[i-1] != 1 && arr[i] - arr[i-1] != -1)
{
System.out.println("mixed");
return;
} 이 조건이 제일 중요한 핵심 로직인 것 같다!!