Submission

Score: 100

User: helloskibidi

Problemset: แปลงเลขฐาน

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-04 22:59:53

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

int main(){
    string n;
    cin >> n;
    string hexchar = "ABCDEF";
    int base10 = 0;

    for(int i=0;i<n.length();i++){
        int temp = n[i] - '0';
         for(int j=0;j<hexchar.length();j++){
            if(n[i] == hexchar[j]) temp = 10 + j;
        }
        base10 += temp* pow(16,n.length() - i - 1);
    }

    string binary = "";
    int base102 = base10;
    while(base10>0){
        string rem = to_string(base10%2);
        binary = rem + binary;
        base10 /=2;
    }

    string octonary = "";
    while(base102>0){
        string rem = to_string(base102%8);
        octonary = rem + octonary;
        base102 /= 8;
    }
    cout << binary << "\n" << octonary;
}