Submission

PPPPPPPPP

Score: 100

User: Namkhing

Problemset: บวกเลขฐาน

Language: cpp

Time: 0.002 second

Submitted On: 2025-04-10 21:39:24

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

int solve(string s, int k) {
    int res = 0;
    for (char c : s) {
        int val;
        if ('A' <= c && c <= 'Z') val = 10 + c - 'A';
        else val = c - '0';
        res = res * k + val;
    }
    return res;
}

string solve(int n, int k) {
    string s = "";
    while (n > 0) {
        int val = n % k;
        char add;
        if (val < 10) add = '0' + val;
        else add = 'A' + val - 10;
        s.push_back(add);
        n /= k;
    }
    if (s.empty()) s.push_back('0');
    reverse(s.begin(), s.end());
    return s;
}

int main() {
    cin.tie(nullptr)->ios_base::sync_with_stdio(false);
    int k;
    cin >> k;
    string a, b;
    cin >> a >> b;
    int A = solve(a, k);
    int B = solve(b, k);
    cout << solve(A + B, k);
}