akjfal

import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Arrays; import java.util.Comparator; class Main { static class Node{ int n; int depth; boolean isLast = false; Node[] child; Node(int n, int depth){ this.n = n; this.depth = depth; child = new Node[10]; } void inputChild(Node n, int idx){ child[idx] = n; } void checkLast(){ this.isLast =..