Submission

Score: 96

User: ChanakanStudy

Problemset: บวกเลขฐาน

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-09 14:18:26

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <utility>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <numeric>
#include <iomanip>
#include <cmath>
using namespace std;
using ll = long long;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int base;
    cin >> base;
    string num1 , num2;
    int sum1=0 , sum2=0;
    if(base <= 16) {
        cin >> num1 >> num2;
        reverse(num1.begin(),num1.end());
        reverse(num2.begin(),num2.end());

        for(int i = 0;i<num1.size();i++) {
            if(num1[i] <= '9') {
                sum1 += (num1[i] - '0') * (pow(base , i));
            }
            else {
                sum1 += (num1[i] - 'A' + 10) * (pow(base , i));
            }
        }

        for(int i = 0;i<num2.size();i++) {
            if(num2[i] <= '9') {
                sum2 += (num2[i] - '0') * (pow(base , i));
            }
            else {
                sum2 += (num2[i] - 'A' + 10) * (pow(base , i));
            }
        }
    }
    int realsum = sum1 + sum2;
    // cout << realsum;
    vector<char> t;
    while(realsum > 0) {
        int temp; 
        temp = realsum % base;
        if(temp > 9) {
            t.push_back(char(temp - 10 + 'A'));
        }
        else {
            t.push_back(char(temp + '0'));
        }
        realsum /= base;
    }

    reverse(t.begin() , t.end());
    for (auto x : t) {
        cout << x;
    }

    return 0;
}