๋ฌธ์ (์ถ์ฒ: https://www.acmicpc.net/problem/4351) ๋ฌธ์ ํ์ด ๋ฌธ์ฅ์ HashMap์ key๊ฐ์ผ๋ก ์๋ ๋จ์ด๊ฐ ๋์ค๋์ง ํ์ธํ๋ค. my solution (Java)import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.IOException;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.util.HashMap;import java.util.StringTokenizer;public class _4351_ { // Hay Points public static void main(String[] args) th..
