is everybody appy? 1
[Baekjoon] 15081_Is Everybody Appy?

๋ฌธ์ œ(์ถœ์ฒ˜: https://www.acmicpc.net/problem/15081) ๋ฌธ์ œ ํ’€์ด  HashSet์„ ํ™œ์šฉํ•˜์—ฌ 1์ˆœ์œ„๊ฐ€ ์ด๋ฏธ ์„ค์น˜๋˜์—ˆ๋Š”์ง€ ํ™•์ธํ•œ๋‹ค.  my solution (Java)import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.IOException;import java.io.OutputStreamWriter;import java.util.HashSet;import java.util.StringTokenizer;import java.io.InputStreamReader;public class _15081_ { // Is Everybody Appy? public static void main(String[] a..
๐ŸŒžAlgorithm/๐Ÿ”ฅBaekjoon 2025.02.13
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