✅ 문제문제링크🔗 https://www.acmicpc.net/problem/18870 ✅ 풀이🔹 코드 1 (HashMap 사용)import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.Arrays;import java.util.HashMap;import java.util.StringTokenizer;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(Sy..

✅ 문제문제링크🔗 https://www.acmicpc.net/problem/10816 ✅ 풀이🔹 코드 1import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.HashMap;import java.util.Map;import java.util.StringTokenizer;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); ..

✅ 문제문제링크🔗 https://www.acmicpc.net/problem/7785 ✅ 풀이🔹 코드 1import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.*;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); Map working..

✅ 문제문제링크🔗 https://www.acmicpc.net/problem/14425 ✅ 풀이🔹 코드 1import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.StringTokenizer;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(br...