Järjestys

import java.util.Arrays;
import java.util.Scanner;

/**
 *
 * @author ronij
 */
public class Jarjestys {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int count = input.nextInt();
        int[][] current = new int[count][2];
        int buffer = 0;
        int bufferother = 0;
        int[] out = new int[count * 2];
        int outplace = 0;
        for (int i = 0; i < count; i++) {
            current[i][0] = input.nextInt();
        }
        for (int i = 0; i < count; i++) {
            current[i][1] = current[i][0];
        }
        
        for (int main = count; main > 1; main--) {
            for (int secondary = main - 1; secondary >= 0; secondary--) {
                if (current[secondary][buffer] == main){
                    if (secondary == main - 1){
                        break;
                    }
                    out[outplace] = secondary + 1;
                    outplace++;
                    bufferother = 1 - buffer;
                    for (int flip = 0; flip <= secondary; flip++){
                        current[flip][bufferother] = current[secondary - flip][buffer];
                    }
                    for (int flip = secondary + 1; flip < main; flip++){
                        current[flip][bufferother] = current[flip][buffer];
                    }
                    bufferother = buffer;
                    buffer = 1 - buffer;
                    out[outplace] = main;
                    outplace++;
                    for (int flip = 0; flip < main; flip++){
                        current[flip][bufferother] = current[main - flip - 1][buffer];
                    }
                    buffer = bufferother;
                    break;
                }
            }
        }
        System.out.println(outplace);
        int[] exit = new int[outplace];
        System.arraycopy(out, 0, exit, 0, outplace);
        String s = Arrays.toString(exit).replaceAll(",","");
        System.out.println(s.substring(1, s.length() - 1).trim());
        //for (int i = 0; i < outplace; i++) {
        //    System.out.println(out[i]);
        //}
    }
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: TIME LIMIT EXCEEDED