C++从52张牌中随机抽取n张

#include 
#include 
#include 
#include 
using namespace::std;

const int NUMBER_OF_CARDS = 52;
string suits[4]={"红桃","黑桃","梅花","方片"};
string numbers[13]={"A","2","3","4","5","6","7","8","9","10","J","Q","K"};

int main(int argc, const char * argv[]) {
    
    vector pai(NUMBER_OF_CARDS);
    for (int i = 0; i