Homework Sourse1012 Card Shuffling and Dealing Use the functions from Exerc
10.12 (Card Shuffling and Dealing) Use the functions from Exercise 10.11 to write a program that deals two five-card poker hands, ecaluates each hand and determines which is the better hand.
Book: C++ How to Program 7ed ISBN: 978-0-13-611726-1
Solution
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#define SUITS 4
#define FACES 13
#define CARDS 52
// prototypes
void shuffle( unsigned int wDeck[][ FACES ] );
void deal(int hand[], unsigned int wDeck[][ FACES ], const char *wFace[], const char *wSuit[] );
int onePair(int hand[], const char *wFace[]);
int twoPair(int hand[], const char *wFace[]);
int threeOfAKind(int hand[], const char *wFace[]);
int fourOfAKind(int hand[], const char *wFace[]);
int flush(int hand[], const char *wSuit[]);
int straight(int hand[], const char *wFace[]);
int main( void )
{
const char *suit[ SUITS ] = { \"Hearts\", \"Diamonds\", \"Clubs\", \"Spades\" }; // initialize suit array
const char *face[ FACES ] = { \"Ace\", \"Deuce\", \"Three\", \"Four\", \"Five\", \"Six\", \"Seven\", \"Eight\", \"Nine\", \"Ten\", \"Jack\", \"Queen\", \"King\" };// initialize face array
unsigned int deck[ SUITS ][ FACES ] = {0}; // initialize deck array
srand((unsigned int)time(NULL)); // seed random-number generator
shuffle(deck); // shuffle the deck
int hand[5]; // initialize and array of hands
deal(hand, deck, face, suit); // deal hand
return 0;
}
void shuffle( unsigned int wDeck[][FACES]){
size_t row; // row number
size_t column; // column number
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 number in chosen slot of deck
wDeck[row][column] = (int)card;
}
}
void deal(int hand[5], 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 = 0; card < 5; card++ ) {
// loop through rows of wDeck
for ( row = 0; row < SUITS; ++row ) {
// loop through columns of wDeck for current row
for ( column = 0; column < FACES; column++ ) {
// if slot contains current card, display card
if ( wDeck[ row ][ column ] == card + 1) {
printf( \"%5s of %-8s\ \", wFace[column], wSuit[row]);
hand[card] = (int)((column) + (row * FACES));
}
}
}
}
printf(\"\ \"); //Spacer
if(straight(hand, wFace) == 1){
printf(\"> [You have a striaght]\ \ \");
}else if(flush(hand, wSuit) == 1){
printf(\"> [You have flush]\ \ \");
}else if(fourOfAKind(hand, wFace) == 1){
printf(\"> [You have four of a kind]\ \ \");
}else if(threeOfAKind(hand, wFace) == 1){
printf(\"> [You have three of a kind]\ \ \");
}else if(twoPair(hand, wFace) == 1){
printf(\"> [You have two pairs]\ \ \");
}else if(onePair(hand, wFace) == 1){
printf(\"> [You have a pair]\ \ \");
}else{
printf(\"> [You have nothing]\ \ \");
}
}
int onePair(int hand[], const char *wFace[]){
int count[FACES] = {0};
int card;
int hold;
for(card = 0; card < 5; card++) {
hold = hand[card] % FACES;
count[hold] += 1;
}
for(card = 0; card < FACES; card++) {
if(count[card] == 2){
return 1;
}
}
return 0;
}
int twoPair(int hand[], const char *wFace[]){
int count[FACES] = {0};
int card;
int hold;
int counter = 0;
for(card = 0; card < 5; card++) {
hold = hand[card] % FACES;
count[hold] += 1;
}
for(card = 1; card <= FACES; card++) {
if(count[card] == 2){
counter ++;
}
if(counter == 2){
return 1;
}
}
return 0;
}
int threeOfAKind(int hand[], const char *wFace[]){
int count[FACES] = {0};
int card;
int hold;
for(card = 0; card < 5; card++) {
hold = hand[card] % FACES;
count[hold] += 1;
}
for(card = 0; card < FACES; card++) {
if(count[card] == 3){
return 1;
}
}
return 0;
}
int fourOfAKind(int hand[], const char *wFace[]){
int count[FACES] = {0};
int card;
int hold;
for(card = 0; card < 5; card++) {
hold = hand[card] % FACES;
count[hold] += 1;
}
for(card = 0; card < FACES; card++) {
if(count[card] == 4){
return 1;
}
}
return 0;
}
int flush(int hand[], const char *wSuit[]){
int count[SUITS] = {0};
int card;
int hold;
for(card = 0; card < 5; card++) {
hold = hand[card] / FACES;
count[hold] += 1;
}
for(card = 0; card < SUITS; card++) {
if(count[card] == 5){
return 1;
}
}
return 0;
}
int straight(int hand[], const char *wFace[]){
int count[FACES] = {0};
int card;
int hold;
for(card = 0; card < 5; card++) {
hold = hand[card] % FACES;
count[hold] += 1;
}
int counter = 0;
for(card = 0; card < FACES; card++){
(count[card] != 0) ? (counter ++) : (counter = 0);
if(counter == 5){
return 1;
}
}
return 0;
}
