Ответы 2.0

#include <stdio.h>
#define SIZE 12

int main()
{
    int i,j,t, flag,temp,arr[SIZE]={2,7,8,1,4,3,12,11,6,9,10,5,14,15,16,13};
    //{2,7,8,1,4,3,12,11};
    //{2,7,8,1,4,3,12,11,6,9,10,5,14,15,16,13};
    flag = 1;

     printf("ARRAY BEFORE SORTING:\n");
    for(i=0;i<SIZE;i++)//print an array
        printf("%d\t",arr[i]);
        printf("\n");


    for(i=0;i<SIZE;i++)//sort array
    {
        //printf("\ni-%d\t",i);
        for(j=i+2;j<SIZE;j+=2)
        {
            if((i%2)&& ((arr[i]>arr[j])))//.
            {
                temp = arr[i];
                arr[i] = arr[j];
                arr[j]= temp;
            }//end if

            if((!(i%2)) && ((arr[i]<arr[j])))//i = 1,3,...
            {
               {
                    temp = arr[i];
                    arr[i] = arr[j];
                    arr[j]= temp;
                }
            }//end if

        }//end for j
    }//end for i


    printf("ARRAY AFTER SORTING:\n");
    for(i=0;i<SIZE;i++)//print an array
        printf("%d\t",arr[i]);
        printf("\n");


    return 0;
}