task5

void main()
{
    FILE *f = fopen("file.txt", "r");
    int s1, s2, s3;
    int *a1, *a2, *a3;

    fscanf(f, "%d", &s1);
    fscanf(f, "%d", &s2);
    s3 = s1 + s2;

    a1 = (int*)malloc(sizeof(int)*s1);
    a2 = (int*)malloc(sizeof(int)*s2);
    a3 = (int*)malloc(sizeof(int)*s3);

    printf("array 1 = ");
    for (int i = 0; i < s1; ++i)
    {
        fscanf(f, "%d", &a1[i]);
        printf("%d ", a1[i]);
    }
    printf("\narray 2 = ");
    for (int i = 0; i < s2; ++i)
    {
        fscanf(f, "%d", &a2[i]);
        printf("%d ", a2[i]);
    }

    int i = 0, j = 0, k = 0;
    while(k < s3)
    {
        if(i >= s1)
            a3[k++] = a2[j++];
        else if(j >= s2)
            a3[k++] = a1[i++];
        else if (a1[i] >= a2[j])
            a3[k++] = a2[j++];
        else if (a1[i] < a2[j])
            a3[k++] = a1[i++];
    }

    printf("\n-----------\nresult = ");
    for(int i = 0; i < s3; ++i)
        printf("%d ", a3[i]);

    fclose(f);
    free(a1);
    free(a2);
    free(a3);
    getchar();
    getchar();
}