문제(출처: https://www.acmicpc.net/problem/9834) 문제 풀이 Deque를 사용한다. 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.ArrayDeque;import java.util.Deque;import java.util.StringTokenizer;public class _9834_ { // Card public static void main(String[] args) throws ..