Submission

Score: 96

User: onlyme910

Problemset: บวกเลขฐาน

Language: cpp

Time: 0.003 second

Submitted On: 2025-10-08 19:11:32

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

int basetodec(int base, string s) {
    int dec = 0, digit, l = s.length();
    for (int i = 0; i < l; i++) {
        char cur = s[l-i-1];
        if (cur <= '9' && cur >= '0') digit = cur - '0';
        else digit = cur - 'A' + 10;
        dec += digit * pow(base, i);
    }
    return dec;
}

void dectobase(int base,int n){
    string r = "";
    char k;
    while(n > 0){
        if(n%base < 10)k = (n%base)+'0';
        else k = (n%base)-10+'A';
        r += k;
        n /= base;
    }
    reverse(r.begin(), r.end());
    cout << r;
}

int main(){
    int base;
    string a,b;
    cin >> base >> a >> b;

    int sum = basetodec(base,a) + basetodec(base,b);
    dectobase(base,sum);
}