[백준] 17219 : 비밀번호 찾기 - JAVA

문제

https://www.acmicpc.net/problem/17219

17219번: 비밀번호 찾기

 

 

코드

import java.util.*;
import java.io.*;

class Main {	
	
	public static void main(String args[]) throws Exception{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st = new StringTokenizer(br.readLine());
		StringBuilder sb = new StringBuilder();
		
		HashMap<String, String> hash = new HashMap<>();
		
		int n = Integer.parseInt(st.nextToken());
		int m = Integer.parseInt(st.nextToken());
		
		for(int i=0;i<n;i++) {
			st = new StringTokenizer(br.readLine());
			String site = st.nextToken();
			String password = st.nextToken();
			
			hash.put(site, password);
		}
		
		for(int i=0;i<m;i++) {
			String site = br.readLine();
			sb.append(hash.get(site)).append("\n");
		}
		
		System.out.print(sb);
		
	}

}