Sword finger offer 17 Print from 1 to the maximum n digits

The finger of the sword Offer 17. Print from 1 To the biggest n digit

The difficulty is simple 229 Switch to English to receive dynamic feedback
Input number n, Print out from... In order 1 To the biggest n A decimal number . Such as input 3, Then print out 1、2、3 Up to the biggest 3 digit 999.
Example 1:
Input : n = 1 Output : [1,2,3,4,5,6,7,8,9]

explain ：

• Instead of printing, return a list of integers
• n As a positive integer

Code

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