Для Елизаветы 2

#include <stdlib.h>
#include <stdio.h>
#include <locale.h>
#include <algorithm>
//#include "iomanip"

using namespace std;

int main()

{

    int size;
    printf("Enter array size\n");
    scanf("%d", &size);
    int *a = new int[size];
    printf("Enter elements of array\n");
    for (int i = 0; i < size; i++)
    {
        scanf("%d", &a[i]);
    }
    for (int i = 0; i < size; i+=2)
    {
         if(a[i]>0)
    {
        int minIndex = i;
        for (int j = i + 2; j < size; j += 2)
        {
            if (a[j] < a[minIndex])
            {
                minIndex = j;
            }
        }
        swap (a[i], a[minIndex]);
         }
    }
   printf("Output array\n");
   for (int i = 1; i < size; i += 2)
    {
        printf("%d ", a[i]);
    }
system ("pause");
return 0;
}