Java backtracking algorithm demonstration code

From , 4 Years ago, written in Java, viewed 50 times.

package com.lh.DataConsutror;
 
public class BacktrackTest
{
        static int [] array = new int[3];
        static boolean [] flag = new boolean[3];
        
        public static void backTrack(int length)
        {
                int len = array.length;
                if(length == len)
                {
                        for(int i = 0; i < array.length; i++)
                        {
                                System.out.print(array[i]);
                        }
                        System.out.println();
                }
                for(int j = 0; j < len; j++)
                {
                        if(flag[j] == false)
                        {
                                array[j] = j + 1;
                                flag[j] = true;
                                backTrack(length + 1);
                                flag[j] = false;
                        }
                }
        }
        
        public static void main(String[] args)
        {
                backTrack(0);
        }
}
 
//java/5758

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Java backtracking algorithm demonstration code

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