// This function returns the number of hints required to
// determine the order of the cards.
// Parameter int c[n] specifies n cards which are provided
// in an unknown order. Each card is represented as a 10-bit field
// with two bits set, one representing the color of the card and the
// other r
Here is a fairly simple way to find a solution.
Make a list of each pair of the n cards which have been selected. This list
can include up to 300 pairs. Represent each card as a 10-bit value where
each bit represents one particular color or value. Thus, each card will
have two bits set. Each pa
