Submission

Score: 100

User: Kei

Problemset: แปลงเลขฐาน

Language: cpp

Time: 0.003 second

Submitted On: 2026-10-07 15:14:56

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

void solve(){
    //b16->b2&b8
    map<char, string> table = {
    {'0', "0000"},
    {'1', "0001"},
    {'2', "0010"},
    {'3', "0011"},
    {'4', "0100"},
    {'5', "0101"},
    {'6', "0110"},
    {'7', "0111"},
    {'8', "1000"},
    {'9', "1001"},
    {'A', "1010"},
    {'B', "1011"},
    {'C', "1100"},
    {'D', "1101"},
    {'E', "1110"},
    {'F', "1111"}
    };
    map<string, char> table8 = {
    {"000", '0'},
    {"001", '1'},
    {"010", '2'},
    {"011", '3'},
    {"100", '4'},
    {"101", '5'},
    {"110", '6'},
    {"111", '7'}
    };
    string s,the2="",the8="",thestr; cin >> s;
    for(char& c : s){
        the2+=table[c];
    }
    int p=0;
    while(p+1<(int)the2.size() && the2[p]=='0')p++;
    the2=the2.substr(p);
    cout<<the2<<'\n';

    if(the2.size()%3==1) the2="00"+the2;
    if(the2.size()%3==2) the2='0'+the2;

    for(int i=0;i<the2.size()/3;i++){
        thestr=the2.substr(3*i,3);
        the8+=table8[thestr];
    }
    cout<<the8;
    
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    solve();
    return 0;
}