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package ArrayBasedProblems;

public class subset {

public static void main(String[] args) {

// System.out.println("Hello, World!");

int a[]={1,2,3};

for(int i=0;i<a.length;i++){

String s="";

int k=1;

while(k<a.length){

for(int j=i;j<k;j++)

{

s+=a[j]+" ";

}

k++;

System.out.println();

}

System.out.print(s);

}

// Explaination of problem:

// Given an integer array nums of unique elements, return all possible subsets (the power set).

// The solution set must not contain duplicate subsets. The subsets can be returned in any order.

// output

// 1 1 2

// 2