[Java] 백준 17219 비밀번호 찾기

17219 비밀번호 찾기 문제 링크

문제

#1

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

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));
        StringTokenizer st = new StringTokenizer(br.readLine());

        int N = Integer.parseInt(st.nextToken());
        int M = Integer.parseInt(st.nextToken());
        HashMap<String, String> arr = new HashMap<>();

        for(int i=0; i<N; i++) {
            st = new StringTokenizer(br.readLine());
            arr.put(st.nextToken(), st.nextToken());
        }
        String ll;
        for(int i=0; i<M; i++) {
            ll = br.readLine();
            bw.write(arr.get(ll)+"\n");
        }
        bw.flush();
        bw.close();
    }
}

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