1 #include<iostream>
2 #include<vector>
3 using namespace std;
4
5 void convert(vector<char>&s, int n, int base) {
6 static char digit[] =
7 { '0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F' };
8 while (n > 0) {
9 int reminder = n % base;
10 s.push_back(digit[reminder]);
11 n /= base;
12 }
13 }
14
15 int main() {
16 vector<char> s;
17 int n, base; //要转换的十进制整数和转换后的进制
18
19 cin >> n >> base;
20 convert(s, n, base);
21 for (int i = 0; i < s.size(); i++)
22 cout << s[s.size()-1-i];
23 }
