#include <stdio.h>
#define N 100

void swap(int *xp, int *yp)
{
    int temp =*xp;
    *xp=*yp;
    *yp=temp;
}

void printarray(int a[],int size)
{
    for(int i=0;i<size;i++)
        printf("%d ",a[i]);
    }
}

void bubblesort(int list[], int n)
{
    int c,d;
    for(c=0;c<(n-1);c++)
    {
        for(d=0;d<n-c-1;d++)
        {
            if(list[d]>list[d+1])
            {
                swap(&list[d],&list[d+1]);
            }
        }
    }
}
int main()
{
    int arr1[N],arr2[N],arr3[N],arr4[N];
    int opciq,razmer1=0,razmer2=0,razmer3=0,razmer4=0;
    FILE *f;
    printf("Izberete:\n1.Nov masiv\n2.Masiv ot fail\n");
    scanf("%d",&opciq);
    switch(opciq)
    {
        case 1: //ako e napisal 1
            printf("Razmer na masiva: ");
            scanf("%d",&razmer1);
            for(int i=0;i<razmer1;i++)
            {
                scanf("%d",&arr1[i]);
            }
            break;
        case 2: //ako e napisal 2
            f=fopen("masiv.txt","r"); //otwarqme faila masiv.txt w rejim chetene (r)
            if(f==0)
            {
                printf("\nNe moje da se otvori failut.\n");
                system("pause");
                return 0;
            }
            while(fscanf(f,"%d",&arr1[razmer1++])!=EOF);
            razmer1--;
            fclose(f); //zatwarqme faila f;
            break;
        default: // ako e napisal nsh drugo
            printf("Nevaliden izbor");
            system ("pause");
            return 0;
        case 3:
            String fail;
            printf("mestopolozhenieto na fai?la: ");
            scanf("%s", &fail);
            f=fopen(fail, "r");
            if(f==0)
            {
                printf("\nNe moje da se otvori failut.\n");
                system ("pause");
                return 0;
            }
            while(fscanf(f,"%d",&arr1[razmer1++])!=EOF);
            Razmer1--;
            fclose(f);
            break;
        default:
            printf("Nevaliden izbor");
            system ("pause");
            return 0;

    }
    printf("\nVuveden masiv:\n");
    printarray(arr1,razmer1);
    for(int i=0;i<razmer1;i++)
    {
        if(arr1[i]%2==1 && (i+1)%2==1)
        {
            arr2[razmer2++]=arr1[i];
        }
        if(arr1[i]%4==0) //ako se deli na 4
        {
            arr3[razmer3++]=arr1[i];
        }
    }
    printf("\nMasiv 1:\n");
    printarray(arr2,razmer2);
    printf("\nMasiv 2:\n");
    printarray(arr3,razmer3);

    bubblesort(arr2,razmer2);
    bubblesort(arr3,razmer3);

    for(int i=0;i<razmer2;i++)
    {
        arr4[razmer4++]=arr2[i];
    }
    for(int i=0;i<razmer3;i++)
    {
        arr4[razmer4++]=arr3[i];
    }
    printf("\nMasiv 3:\n");
    printarray(arr4,razmer4);
    return 0;
}