Program Generate all possible combinations of 1, 2 & 3

#include<conio.h>

#include<iostream.h>

void main()

{

clrscr();

int a,b,c;

cout<<”All possible combinations are as: “;

for (a=1;a<=3;a++)                                                                                                            

{                   

for (b=1;b<=3;b++)

{

for (c=1;c<=3;c++)

{

                               cout<<a<<" "<<b<<" "<<c<<endl;

}

}

}

getch();

}

Output

All possible combinations are as:

1 1 1       1 2 1       1 3 1

1 1 2       1 2 2       1 3 2

1 1 3       1 2 3       1 3 3

2 1 1       2 2 1       2 3 1

2 1 2       2 2 2       2 2 2

2 1 3       2 2 3       2 3 3

3 1 1       3 2 1       3 3 1 3 1 2       3 2 2       3 3 2 3 1 3       3 2 3       3 3 3