#include <stdio.h>
#include <stdlib.h>
#include <time.h>
 
void shuffle(int[][13]);
void print_trump(int[][13]);
void random(int[]);
void trade(int[][13], int[]);
 
int main() {
    srand(time(NULL));
    int deck[4][13];
    for (int i = 0; i < 4; i++) {
        for (int j = 0; j < 13; j++) {
            deck[i][j] = ((i + 1) * 1000) + j + 1;
        }
    }
    shuffle(deck);
    int count = 1;
    for (int i = 0; i < 4; i++) {
        for (int j = 0; j < 13; j++) {
            printf("%2d: %d-%2d\n", count, (deck[i][j] / 1000) * 100,
                   deck[i][j] % 100);
            count++;
        }
    }
}
 
void shuffle(int array[][13]) {
    int r_array[4];
    for (int i = 0; i < 100; i++) {
        random(r_array);
        trade(array, r_array);
    }
}
 
void random(int r_array[]) {
    r_array[0] = rand() % 13;
    r_array[1] = rand() % 13;
    r_array[2] = rand() % 4;
    r_array[3] = rand() % 4;
}
 
void trade(int array[][13], int r_array[]) {
    int tmp = array[r_array[2]][r_array[0]];
    array[r_array[2]][r_array[0]] = array[r_array[3]][r_array[1]];
    array[r_array[3]][r_array[1]] = tmp;
}
 

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