Deal and swap cards with randomization - C++ Data Type

C++ examples for Data Type:Array

  1. HOME
  2. C++
  3. Data Type
  4. Array

Description

Deal and swap cards with randomization

Demo Code

#include <cstdlib>
#include <ctime>
#include <iostream>
#include <string>     // Needed for string class.
#include <cstdlib>    // Needed for randomization.
#include <ctime>
using namespace std;
int deck[52];/*from w w  w .j  a  v a 2  s  . co  m*/
string card_names[ ] = {"A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K" };
void swap_cards(int i, int j);
int rand0_to_N(int n);
int main()
{
   srand(time(NULL));  // Set random seed.
   // Initialize deck 0, 1, 2, 3... 51
   for (int i = 0; i < 52; ++i) {
      deck[i] = i;
   }
   // Shuffle deck.
   for (int i = 51; i > 0; --i) {
      int j = rand0_to_N(i);
      swap_cards(i, j);
   }
   // Deal 5 cards.
   for (int i = 0; i < 5; ++i) {
      int j = deck[i] % 13;
      cout << card_names[j] << " ";
   }
   cout << endl;
   return 0;
}

void swap_cards(int i, int j) {
   int temp = deck[i];
   deck[i] = deck[j];
   deck[j] = temp;
}
//
int rand0_to_N(int n) {
   return rand() % (n + 1);
}

Result


Related Tutorials