#include <stdio.h>
#include <time.h>
#include <stdlib.h>


int randint(int a, int b) {
    return (rand() % (b - a + 1)) + a;
}


void print_rep(int a[]) {
    char counter[55] = {};
    for (int i = 0; i < 10; i++) {
        printf("%d ", a[i]);
        counter[a[i]]++;
    }

    printf(" | ");

    for (int i = 0; i < 50; i++) {
        if (counter[i] > 1) {
            printf("%d ", i);
        }
    }
    printf("\n");
}


int main(void) {
    srand(time(0));

    int a1[10];
    int a2[10];
    int a3[10];
    int a4[10];
    int a5[10];
    for (int i = 0; i < 10; i++) {
        a1[i] = randint(0, 50);
        a2[i] = randint(0, 50);
        a3[i] = randint(0, 50);
        a4[i] = randint(0, 50);
        a5[i] = randint(0, 50);
    }

    printf("a1: ");
    print_rep(a1);
    printf("a2: ");
    print_rep(a2);
    printf("a3: ");
    print_rep(a3);
    printf("a4: ");
    print_rep(a4);
    printf("a5: ");
    print_rep(a5);
}