题解 | #又一版 A+B#

#include <iostream>
#include <algorithm>
using namespace std;
//把10进制数x转换为m进制数
void func(long long  x, int m) {
    if (x == 0) cout << 0 << endl;
    else {
        string s;
        while (x) {
            s += '0' + x % m;
            x /= m;
        }
        reverse(s.begin(), s.end());
        cout << s << endl;
    }

}

int main() {
    int m, a, b;
    while (cin >> m >> a >> b && m) {
        func(a + b, m);
    }
    return 0;
}