[JAVA] 백준 10811번 바구니 뒤집기

 

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

public class Array8 {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st = new StringTokenizer(br.readLine()," ");

        int n = Integer.parseInt(st.nextToken());
        int count = Integer.parseInt(st.nextToken());

        int temp = 0;
        int busket[] = new int[n];
        for(int i=0;i<busket.length;i++) {
            busket[i] = i+1;
        }

        for(int i=0;i<count;i++) {
            st = new StringTokenizer(br.readLine()," ");

            int a = Integer.parseInt(st.nextToken())-1;
            int b = Integer.parseInt(st.nextToken())-1;

            while(a<b) {
                temp = busket[a];
                busket[a] = busket[b];
                busket[b] = temp;
                a++;
                b--;
            }
        }

        br.close();

        for(int i=0;i<busket.length;i++) {
            System.out.print(busket[i]+" ");
        }
    }
}