题解 | 又一版 A+B

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
using namespace std;

string convert_to_m(long long sum,int m){
    string res;
    if(sum==0) return "0";
    while(sum!=0){
        res.push_back(sum%m+'0');
        sum/=m;
    }
    reverse(res.begin(),res.end());
    return res;
}

int main() {
    long long a,b;
    int m;
    while(cin>>m){
        if(m==0) break;
        else{
            cin>>a>>b;
            long long sum=a+b;
            string result=convert_to_m(sum, m);
            cout<<result<<"\n";
        }
    }
    return 0;
}