剑指offer32 整数中1出现的次数（从1到n整数中1出现的次数）

class Solution {
public:
    int NumberOf1Between1AndN_Solution(int n)
    {
        if(n<=)
            return ;
        int count=;
        int i=;
        while(i<=n)
        {
            int p=i;
            while(p)
            {
                if(p%==)
                    count++;
                p=p/;
            }
            i++;
        }
        return count;

    }
};