max_even

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

int main()
{

    int n, number_even = 0, pos_max = 0;
    scanf("%d", &n);
    int* mas;
    mas = (int*)  malloc(n * sizeof(int));
    for (int i = 0; i < n; i++)
    {
        scanf("%d",  &mas[i]);
    }

    for (int i = 0; i < n; i++)
    {
        if (mas[i] % 2 == 0)
        {
            number_even++;
            if (mas[i] > mas[pos_max])
            {
                pos_max = i;
            }
        }
    }

    n++;
    mas = realloc(mas, n * sizeof(int));
    mas[n-1] = number_even;

    int buff = mas[pos_max + 1];
    mas[pos_max+ 1] = mas[n-1];
    mas[n-1] = buff;

    for (int i = 0; i < n; i++)
    {
        printf("%d ",mas[i]);
    }
    free(mas);

    return 0;
}