✅ 문제문제링크🔗 https://www.acmicpc.net/problem/18258 ✅ 풀이🔹 코드LinkedList를 사용한 Queue 구현 / ArrayDeque를 사용한 Queue 구현 (주석 처리)import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.LinkedList;import java.util.StringTokenizer;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(n..

✅ 문제문제링크🔗 https://www.acmicpc.net/problem/12789 ✅ 풀이🔹 코드import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.Stack;import java.util.StringTokenizer;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseIn..

✅ 문제문제링크🔗 https://www.acmicpc.net/problem/4949 ✅ 풀이🔹 코드 1import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.Stack;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringBuilder sb = new StringBuilder(); while (t..

✅ 문제문제링크🔗 https://www.acmicpc.net/problem/28278 ✅ 풀이🔹 코드import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.Stack;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; ..

✅ 문제문제링크🔗 https://www.acmicpc.net/problem/13909 ✅ 풀이🔹 코드import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;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()); int count = 0; for (int ..

✅ 문제문제링크🔗 https://www.acmicpc.net/problem/17103 ✅ 풀이🔹 실패한 코드 (시간 초과)import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.ArrayList;import java.util.List;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int t = Integer.pa..

✅ 문제문제링크🔗 https://www.acmicpc.net/problem/2485 ✅ 풀이🔹 코드import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;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()); int count = 0; int[] tree..

✅ 문제문제링크🔗 https://www.acmicpc.net/problem/1934 ✅ 풀이🔹 코드import 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)); int t = Integer.parseInt(br.readLine()); ..

✅ 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/1620 ✅ 풀이🔹 코드⚠️ 시간 초과로 실패한 코드❗(실패)import 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(..

✅ 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...

✅ 문제문제링크🔗 https://www.acmicpc.net/problem/10815 ✅ 풀이🔹 코드⚠️ 시간 초과한 코드❗(실패)import 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)); int n = Integer.parseInt(br.r..

✅ 문제문제링크🔗 https://www.acmicpc.net/problem/10814 ✅ 풀이이번 문제를 풀고 나서 정답을 보고 리뷰를 하면서 추가 방법을 알게되어 3가지 방법을 포스팅하려 한다.🔹 코드 1import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.Arrays;import java.util.StringTokenizer;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new I..

✅ 문제문제링크🔗 https://www.acmicpc.net/problem/1181 ✅ 풀이🔹 코드import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.Arrays;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringBuilder sb = new StringBuilder(); int n = I..