[PS][java][Brute-Force]/[토너먼트]

boj-java-1057.java

import javax.sound.midi.SysexMessage;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;

public class Main{
    static int n,a,b;

    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st = new StringTokenizer(br.readLine());
        n = Integer.parseInt(st.nextToken());
        a = Integer.parseInt(st.nextToken());
        b = Integer.parseInt(st.nextToken());
        int ans = 0;
        while(a!=b){
            a -= a/2;
            b -= b/2;
            ans++;
        }
        System.out.println(ans);
    }
}