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

void print_vector(int *vector,int size)
{
    int i;
    printf("[ ");
    for(i = 0; i<size; i++)
    {
        printf("%d ",vector[i]);
    }
    printf("]\n");
}

int main()
{
    int cont = 0, boolean = 0, i, j;
    int sizeA, sizeB, *setA, *setB;
    int *minusAB, *minusBA, size_minusAB, size_minusBA;
    int *intersec, size_intersec;

    printf("Key the size of the first set: ");
    scanf("%d",&sizeA);
    setA = (int*) malloc(sizeA*sizeof(int));

    for(i = 0; i<sizeA; i++)
    {
        printf("Key the #%d number: ",i+1);
        scanf("%d",&setA[i]);
    }
    print_vector(setA, sizeA);

    printf("\nKey the size of the second set: ");
    scanf("%d",&sizeB);
    setB = (int*) malloc(sizeB*sizeof(int));

    for(i = 0; i<sizeB; i++)
    {
        printf("Key the #%d number: ",i+1);
        scanf("%d",&setB[i]);
    }
    print_vector(setB, sizeB);

    for(i = 0; i<sizeA; i++)
    {
        for(j = 0; j<sizeB; j++)
        {
            if(setA[i] == setB[j])
            {
                boolean = 1;
            }
        }
        if(boolean == 0) cont++;
        boolean = 0;
    }
    size_minusAB = cont;
    minusAB = (int*) malloc(size_minusAB*sizeof(int));
    cont = 0;

    for(i = 0; i<sizeA; i++)
    {
        for(j = 0; j<sizeB; j++)
        {
            if(setA[i] == setB[j])
            {
                boolean = 1;
            }
        }
        if(boolean == 0)
        {
            minusAB[cont] = setA[i];
            cont++;
        }
        boolean = 0;
    }
    cont = 0;
    print_vector(minusAB, size_minusAB);

    for(i = 0; i<sizeB; i++)
    {
        for(j = 0; j<sizeA; j++)
        {
            if(setB[i] == setA[j])
            {
                boolean = 1;
            }
        }
        if(boolean == 0) cont++;
        boolean = 0;
    }
    size_minusBA = cont;
    minusBA = (int*) malloc(size_minusBA*sizeof(int));
    cont = 0;

    for(i = 0; i<sizeB; i++)
    {
        for(j = 0; j<sizeA; j++)
        {
            if(setB[i] == setA[j])
            {
                boolean = 1;
            }
        }
        if(boolean == 0)
        {
            minusBA[cont] = setB[i];
            cont++;
        }
        boolean = 0;
    }
    cont = 0;
    print_vector(minusBA, size_minusBA);

    for(i = 0; i<sizeA; i++)
    {
        for(j = 0; j<sizeB; j++)
        {
            if(setA[i] == setB[j])
            {
                boolean = 1;
            }
        }
        if(boolean == 1) cont++;
        boolean = 0;
    }
    size_intersec = cont;
    intersec = (int*) malloc(size_intersec*sizeof(int));
    cont = 0;

    for(i = 0; i<sizeA; i++)
    {
        for(j = 0; j<sizeB; j++)
        {
            if(setA[i] == setB[j])
            {
                intersec[cont] = setA[i];
            }
        }
    }
    cont = 0;
    print_vector(intersec, size_intersec);

    return 0;
}