/**
 * Return an array of size *returnSize.
 * Note: The returned array must be malloced, assume caller calls free().
 */
int lenofnum(int n)
{
    int len = 0;
    while(n)
    {
        n /= 10;
        len += 1;
    }
    
    return len;
}
char** fizzBuzz(int n, int* returnSize) {
    *returnSize=n;
    char **s=(char **)malloc(n*sizeof(char *));//数组指针
    for(int i=1; i<=n; i++)
    {
        if(i%15==0)//15的倍数
        {
            s[i-1] = (int *)malloc(9 *sizeof(char));
            snprintf(s[i-1], 9 ,"%s", "FizzBuzz");
        }
        else if(i%3==0)//3的倍数
        {
            s[i-1] = (int *)malloc(5 *sizeof(char));
            snprintf(s[i-1], 5 ,"%s", "Fizz");
        }
        else if(i%5==0)//5的倍数
        {
            s[i-1] = (int *)malloc(5 *sizeof(char));
            snprintf(s[i-1], 5 ,"%s", "Buzz");
        }
        else//其他
        {
            s[i-1] = (int *)malloc((lenofnum(i) + 1) *sizeof(char));
            snprintf(s[i - 1],lenofnum(i) + 1 ,"%d", i);
        }
        
        
    }
    return s;
}