An interesting C + +-based simulation licensing program

In memory to simulate a deck of cards, and then simulate shuffle, licensing and other actions.

The process is this: build a deck of cards to save in an array-shuffle-create players-play cards to players – output each player's card.

#include <stdio.h>#include <stdlib.h>#include <time.h>Define the color of pokerEnum suit{heart, Spade, Diamond, Club, Joker1, joker2};The quantity of a deck of cards#define CARD_COUNT 54Define Pokertypedefstruct card{int value;Number of cards starting from 1Enum Suit Suit;Color}card;Define Playerstypedefstruct player{Char name[64];Player's name Card * * CARDS;The card the player points to. Each item is a pointer to an item in the original deck array, which saves spaceint cardscount;The number of cards the player has}player;Type of function that is called after the token has been completedtypedefInt (*compare) (card*, card*);function declarationschar* Getcardname (Const card*); card** Shuffle (Const card*);void Dispatchcards (player**,IntConst card**);void sort (card**,Int,compare);int Compare1 (card*, card*);int Compare2 (card*, card*);void Initonepack ();An array of original decks card pokers[card_count];Entry functionint main (void) {Initialize a deck of Cards initonepack ();Shuffle, shuffledpokers save after washing the cards card** shuffledpokers = Shuffle (pokers);Build three player player Player1;strcpy (Player1.name,"The Old King Next Door"); Player1.cards=null; Player1.cardscount=0; Player Player2;strcpy (Player2.name,"Xiao Ming"); Player2.cards=null; Player2.cardscount=0; Player Player3;strcpy (Player3.name,"Tanaka Turtle Sun"); Player3.cards=null; Player3.cardscount=0;Put three into an array to pass in the player* players[]={&player1,&player2,&player3}; of the card functionLicensing Dispatchcards (Players,sizeof (players)/sizeof (player*), shuffledpokers);After the wash, the cards are exhausted, the release ofFree (shuffledpokers);int i;Print out the cards in each player's handsfor (i=0;i<sizeof (players)/sizeof (player*); i++) {Print the player's name firstprintf"%s\n", players[i]->name);Need to sort (players[i]->cards,players[i]->cardscount,compare1) the cards in the hands of the player;Print all the cards in the player's handsInt J;for (j=0;j<players[i]->cardscount;j++) {char * name = Getcardname (Players[i]->cards[j]);printf"%s", name);Free (name); }Each player needs to change the line one timeprintf"\ n"); }Releasing an array of players ' handsfor (i=0;i<sizeof (players)/sizeof (player*); i++) {Free (players[i]->cards); }Return0;}Construct a deck of cardsvoid Initonepack () {int i=0;Top 52 Photosfor (; i<card_count-2;i++) {pokers[i].value=i/4 +1; Pokers[i].suit = i%4; }The two remaining: King and Xiao WangJoker1 pokers[i].value=i/4 +1; Pokers[i].suit=joker1;Joker2 pokers[i+1].value=i/4 +2; pokers[i+1].suit=joker2;}Shuffle, parameter is the original a deck of cards, returned after washing the card card** shuffle (Const card* pokers) {int i;Card returns the memory space of the array card** retpokers =malloc (card_count*sizeof (card*));In order not to change the original deck of cards, create an array, save the original hand pointer (note that each item is not a card, but the hands of the hand) card** pokers2 =malloc (card_count*sizeof (card*));for (i=0;i<card_count;i++) {Pokers2[i] = &pokers[i];}Plant random seeds. The seed takes the current time,This ensures that each time the program is run, the sequence of random numbers generated is different srand ((NULL));Get the random sequence number, take the item that the serial number refers to from the pokers2, and add it to the retpokers in turn.for (i=0;i<card_count;i++) {Unsignedint index = rand ()%card_count;if (Pokers2[index]! = NULL) {Retpokers[i] = Pokers2[index]; pokers2[index]=null;}else{i--;}}Free (POKERS2);Returns the array after washingreturn retpokers;}LicensingPlayers is a player arrayPlayercount is the number of playersShuffledcards is a deck of cards after washing.void Dispatchcards (player** players,int Playercount,Const card** shuffledcards) {Calculates the capacity of the array of each player's hands, if the cards are different in the hands of each player,A maximum of one, plus 1 is to ensure that the array allocated enough space to accommodate the cards.int numbercards = card_count/playercount+1;Allocate space for each player's array of cardsint i;for (i=0;i<playercount;i++) {card* cards =malloc (numbercards*sizeof (card*)); Players[i]->cards = cards; }Turn the cards to each playerfor (i=0;i<card_count;i++) {Take current player player *curplayer = Players[i%playercount];Licensing Curplayer->cards[curplayer->cardscount] = Shuffledcards[i];The actual number of cards in the player's hands increased curplayer->cardscount++; }}Sort functionCards are the cards to be sorted, each of which is a hands-on handCardscount is the number of cardsCompare_func is a comparison functionvoid sort (card** cards,int Cardscount,compare compare_func) {int i;for (i=0;i<cardscount-1;i++) {Int J;for (j=0;j<cardscount-i-1;j++) {if (Compare_func (cards[j],cards[j+1])) {int TMP=CARDS[J]; cards[j]=cards[j+1]; cards[j+1]=tmp; } } }}Comparison function, compare the points and compare the suits firstint Compare1 (card* a,card* b) {if (A->value > B->value) {Return1; }Elseif (A->value < B->value) {Return0; }else{if (A->suit > B->suit)Return1;ElseReturn0; }}Comparison function, compare the points and compare the suits firstint Compare2 (card* a,card* b) {if (A->value > B->value) {Return0; }Elseif (A->value < B->value) {Return1; }else{if (A->suit > B->suit)Return0;ElseReturn1; }}Get the name of the cardReturns the name string of the card that the caller needs when it is exhausted.char* Getcardname (Const card* Card) {Store Suit nameChar suitstr[16]={0};0== ' + 'Switch (card->suit) {Case Heart:strcpy (SUITSTR,"Red Peach");BreakCase SPADE:strcpy (SUITSTR,"Spades");BreakCase Diamond:strcpy (SUITSTR,"Block");BreakCase Club:strcpy (SUITSTR,"Plum Blossom");Break }Store the number of dot namesChar valuestr[16];Switch (card->value) {Case1:strcpy (VALUESTR,"A");BreakCase11:strcpy (VALUESTR,"J");BreakCase12:strcpy (VALUESTR,"Q");BreakCase13:strcpy (VALUESTR,"K");Breakcase 14: strcpy (ValueStr,break; case 15: strcpy (ValueStr,break; default: sprintf (Valuestr, "%d" , Card->value); break;} //dynamically allocate enough space char * ret = malloc ( Span class= "Hljs-number" >16); //merges two names into a ret sprintf (Ret, "%s %s ", SUITSTR,VALUESTR); return ret;}            

An interesting C + +-based simulation-licensing program