C++ examples for Data Type:Array
Deal and swap cards with randomization
#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); }