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#include <iostream>
#include <cstdlib>
#include <ctime>
#include <cmath>
using namespace std;
int rand_0toN1(int n);
void draw_a_card();
int select_next_available(int n);
bool card_drawn[52];
int cards_remaining = 52;
char *suits[4] = {"hearts", "diamonds", "spades", "clubs"};
char *ranks[13] = {"ace", "two", "three", "four", "five", "six", "seven",
"eight", "nine", "ten", "jack", "queen", "king"};
int main (){
int n, i;
srand(time(NULL));
while(1) {
cout << "Enter no. of cards to draw ";
cout <<"(0 to exit): ";
cin >> n;
if(n==0)
break;
for(i=1; i<=n; i++)
draw_a_card();
}
return 0;
}
void draw_a_card()
{
if (cards_remaining == 0)
{
cout <<"Reshuffling." << endl;
cards_remaining = 52;
for (int i=0 ; i<52; i++)
card_drawn[i] = false;
}
int r;
int s;
int card, n;
n = rand_0toN1(cards_remaining--);
card = select_next_available(n);
r = card % 13;
s = card /13;
cout << ranks[r] << " of " << suits[s] << endl;
}
int select_next_available(int n)
{
int i = -1;
n++;
while (n-- > 0)
{
i++;
while (card_drawn[i])
i++;
}
card_drawn[i] = true;
return i;
}
int rand_0toN1(int n)
{
return rand () % n;
}
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