#556. 下一个更大元素 III

int comp(const void *a, const void *b)
{
    return *(int *)b - *(int *)a;
}
int nextGreaterElement(int n){
    int nLen = 0;
    int n_copy = n;
    while(n_copy)
    {
        nLen++;
        n_copy /= 10;
    }
    n_copy = n;
    int *nStr = (int *)malloc(sizeof(int) * nLen);
    int *nExt = (int *)malloc(sizeof(int) * nLen);
    memset(nStr, 0, sizeof(int) * nLen);
    memset(nExt, -1, sizeof(int) * nLen);
    int i, j;
    for(i = 0; i 2147483647) return -1;
    return result;
}