代码：

#include<bits/stdc++.h>
using namespace std;
void zhuanhuan(int x, int y) {
	string s = "0123456798ABCDEFGHIJKLMNOPQRSTUVWXYZ";
	if(x / y != 0) {
		zhuanhuan(x / y, y);
	}		
	cout << s[x % y];
}

int main() {
	
	int X, M;
	cin >> X >> M;
	zhuanhuan(X, M);
	
	return 0;
}

求大佬指教