7.12 (Card Shuffling and Dealing) Modify the program in Fig. 7.24 so that the card-dealing function deals a five-card poker hand. Then write the following additional functions:
a) Determine whether the hand contains a pair.
b) Determinewhetherthehandcontainstwopairs.
c) Determine whether the hand contains three of a kind (e.g., three jacks).
d) Determinewhetherthehandcontainsfourofakind(e.g.,fouraces).
e) Determine whether the hand contains a flush (i.e., all five cards of the same suit).
f) Determine whether the hand contains a straight (i.e., five cards of consecutive face values).
7.13 (Project: Card Shuffling and Dealing) Use the functions developed in Exercise 7.12 to write a program that deals two five-card poker hands, evaluates each, and determines which is the better hand.
The code to figure 7.24 is:
#include
#include
#include
#define SUITS 4
#define FACES 13
#define CARDS 52
//prototypes
void shuffle(unsigned int wDeck[][FACES]); //shufling modifies wDeck
void deal(unsigned int wDeck[][FACES], const char *wFace[], const char *wSuit[]); //dealing doesn't modify arrays
int main()
{
//initialize suit array
const char *suit[SUITS] = {"Hearts", "Diamonds", "Clubs", "Spades"};
//initialize face array
const char *face[FACES] = {"Ace", "Deuce", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten", "Jack", "Queen", "King"};
//initialize deck array
unsigned int deck[SUITS][FACES] = {0};
srand(time(NULL)); //seed random-number generator
shuffle(deck);
deal(deck, face, suit);
}
void shuffle(unsigned int wDeck[][FACES])
{
size_t row; //row #
size_t column; //column #
size_t card; //counter
//for each of the cards, choose slot of deck randomly
for (card = 1; card <= CARDS; ++card)
{
//choose new random location until unoccupied slot found
do
{
row = rand() % SUITS;
column = rand() % FACES;
} while(wDeck[row][column] != 0);
//place card # in chosen slot of deck
wDeck[row][column] = card;
}
}
//deal cards in deck
void deal(unsigned int wDeck[][FACES], const char *wFace[], const char *wSuit[])
{
size_t card; //card counter
size_t row; //row counter
size_t column; //column counter
//deal each of the cards
for(card = 1; card <= CARDS; ++card)
{
for(row = 0; row < SUITS; ++row)
{
for(column = 0; column < FACES; ++column)
{
//if slot contains current card, display card
if (wDeck[row][column] == card)
{
printf("%5s of %-8s\n", wFace[column], wSuit[row], card % 2 == 0 ? '\n' : '\t');
}
}
}
}
}
7.12 (Card Shuffling and Dealing) Modify the program in Fig. 7.24 so that the card-dealing function deals a five-card...
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