剑指OFFER----面试题17- 打印从1到最大的n位数

链接：https://leetcode-cn.com/problems/da-yin-cong-1dao-zui-da-de-nwei-shu-lcof/

代码：

class Solution {
public:
    vector<int> printNumbers(int n) {
        int res = pow(10, n);
        vector<int> tmp;
        for (int i = 1; i < res; ++i) tmp.push_back(i);
        return tmp; 
    }
};