进制转换

#include <iostream>
#include <vector>
#include <string>

using namespace std;

//进制转换

class Solution
{
public:
    string changeValue(int M, int N)
    {
        string str = "";
        char *arr = {"0123456789ABCDEF"};
        int mode = 0;
        while (M != 0)
        {
            str = arr[M % N] + str;
            M = M / N;
        }

        return str;
    }
};

int main()
{
    Solution sol;
    string str = sol.changeValue(8, 2);

    cout << str << endl;
}