《数据结构：邓俊辉版》——交换排序

void SelectSort(int nLen)
{
    for (int i = 0; i < nLen; i++)
    {
        int j = i;
        int nMax = i;
        while (j < nLen)
        {
            if (g_szArray[j] > g_szArray[nMax])
            {
                nMax = j;
            }
            j++;
        }

        int tmp = g_szArray[i];
        g_szArray[i] = g_szArray[nMax];
        g_szArray[nMax] = tmp;
    }
}