c语言数组那些骚事儿

找出最大和第二大值
#include <stdio.h>
#include <stdlib.h>
#include <time.h>


int main()
{
    int mynum[] = {43, 88, 56, 24, 78, 12, 8,29,57,80};
    int max=0;
    printf("%d\n", max);
    int smax=0;
    printf("%d\n", smax);
    if (mynum[0] > mynum[1])
    {
        max = mynum[0];
        smax = mynum[1];
    }
    else
    {
        max = mynum[1];
        smax = mynum[0];
    }
    for (int i = 2; i < 10; i++)
    {
        if (max < mynum[i])
        {
            smax = max;
            max = mynum[i];
        }
        else if ((mynum[i]<max) && (mynum[i]>smax))
        {        
            smax = mynum[i];
        }
    }
    printf("%d\n",max);
    printf("%d\n", smax);
    system("pause");
}