BOJ11005 진법변환2

https://www.acmicpc.net/problem/11005

11005번: 진법 변환 2

 

import java.util.*;
import java.io.*;
public class Main
{
	public static void main(String[] args) throws IOException {
	    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	    BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
	    String[] input = br.readLine().split(" ");
	    int n = Integer.valueOf(input[0]);
	    int b = Integer.valueOf(input[1]);
        
	    bw.write(Integer.toString(n,b).toUpperCase());
		bw.flush();
		
		
		
		
	}
	

	
	
	
}

 

라이브러리를 안쓰고 푸는법

import java.util.Scanner;

class Main
{
    public static void main (String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int B = sc.nextInt();

        String ans = "";
        while (N > 0) {
            int digit = N % B;
            if (digit < 10) ans += digit;
            else ans += (char)('A' + digit - 10);
            N /= B;
        }

        System.out.println(new StringBuilder(ans).reverse());
    }
}

 

 

 

유사문제

https://yunzae.tistory.com/318

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