SUBSETS.cpp

#include<iostream>
using namespace std;
void possibleSubsets(char A[], int N){
    for(int i = 0;i < (1 << N); ++i)
    {
        for(int j = 0;j < N;++j)
            if(i & (1 << j))
                cout<<A[j]<<" ";
        cout << endl;
    }
}
int main(){
	char arr[3]="abc";
	possibleSubsets(arr,3);
	return 0;
}