Submission

Score: 100

User: Folk_DIWA

Problemset: แปลงเลขฐาน

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-12 22:52:32

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

using ll = long long;

ll to_10(string n, int base){

    ll res = 0;
    for(char &c : n){

        ll digit = isdigit(c) ? c - '0' : toupper(c) - 'A' + 10;
        res = res*base + digit;

    }

    return res;
}

string convert(ll n, int base){

    string digit = "0123456789ABCDEF";
    string res = "";

    if(n == 0) return "0";

    while(n > 0){

        res += digit[n%base];
        n /= base;

    }

    reverse(res.begin(), res.end());

    return res;

}

int main(){
    cin.tie(0)->sync_with_stdio(0);

    string s; cin >> s;

    ll n = to_10(s, 16);
    cout << convert(n, 2) << '\n' << convert(n, 8);

    return 0;
}