Submission

Score: 24

User: SayRo

Problemset: บวกเลขฐาน

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-07 14:00:07

#include<bits/stdc++.h>
using namespace std;

int conversion1(string s,int base){
    int sum=0;
    for(int i=s.size()-1;i>=0;i--){
        if(s[i]>='0'&&s[i]<='9') sum+=(s[i]-'0')*pow(base,i);
        else sum+=(s[i]-'A'+10)*pow(base,i);
    }
    return sum;
}

string conversion2(int x, int base){
    string r="";
    while(x){
        if(x%base<10) r+=(char)(x%base+'0');
        else r+=(char)(x%base+'A'-10);
        x/=base;
    }
    reverse(r.begin(),r.end());
    return r;
}

int main(){
    int base;
    string a,b;
    cin>>base>>a>>b;
    int total=conversion1(a,base)+conversion1(b,base);
    cout<<conversion2(total,base);
}