I fail to understand the example
2 4 2 output
The output given for 2 4 2 is
Here the triples are:
(1, 3, 2)
(1, 4, 2)
(2, 3, 1)
(2, 4, 1)
Why are the triples like …
3 1 2
3 2 4
2 4 3
1 2 4
1 2 3
are not taken as a triplet.
It is because the (i)th element should lie between 1 and N for that i . This means at first position , the number can range from 1 to 2 (both inclusive) . At second position , the no should be between 1 and 4 . At third position , the number should range from 1 to 2 .
One more thing is triplets like (1,1,1) are not valid because each number should be unique .