Multi-dimension array randomize

Hi all,
need to figure out how to randomize this multi-dimension array. Any ideas?

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#include <iostream>
#include <ctime>
using namespace std;

void showDeck (int[][9],int,int);

int main(void)
{
 int deck[4][9] = {
     {0,1,2,3,4,5,6,7,8},
     {9,10,11,12,13,14,15,16,17},
     {18,19,20,21,22,23,24,25,26},
     {27,28,29,30,31,32,33,34,35}
     };
 srand(unsigned int(time(NULL)));
 showDeck (deck,4,9);
 cout <<"\n";
 


 return 0;
}

 

void showDeck(int deck[][9],int numSuits, int numCardsEachSuit)
{
int i,j;
char suit;

 for (j=0; j<numSuits; j++)
 {
  
  for (i=0; i<numCardsEachSuit; i++)
  {
   switch (deck[j][i]/9) {
   case 0: suit='S';
    break;
   case 1: suit='H';
    break;
   case 2: suit='C';
    break;
   case 3: suit='D';
    break;
   };
   cout <<suit << deck[j][i]%9+2 <<" ";
  };
  cout << "\n";
 }
 return;
};
use can use std::random_shuffle
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