View difference between Paste ID: mPUwnpL0 and Y6hWppjx

 package _2_1JUNE;
 
 import java.util.Scanner;
 import java.util.TreeMap;
 
 public class _4_LogsAggregator {
 	public static void main(String[] args) {
 
 		Scanner sc = new Scanner (System.in);
 		int n = sc.nextInt();
 		sc.nextLine();
 		TreeMap<String, TreeMap<String, Integer>> logs = new TreeMap<>();
 
 		for (int i = 0; i < n; i++) {
 			String[] input = sc.nextLine().split(" ");
 
 			String ip = input[0];
 
 
 			String name = input[1];
 			int dur = Integer.parseInt(input[2]);
 			if (!logs.containsKey(name)) {
 				logs.put(name, new TreeMap<>());
 				logs.get(name).put(ip, dur);
 
 			}
 			else  {
 				if ((!logs.get(name).containsKey(ip))) {
 					logs.get(name).put(ip, dur);
 				}
 				else {
 
 				}
 			}
 		}
 
 		int sum=0;
 
 		for (String name : logs.keySet()) {
 			System.out.print(name + ": "); // Loop by key and print it
 
 			for (int dur : logs.get(name).values()) {
 				sum += dur;
 			}
 			System.out.print(sum+" ");
 			System.out.println(logs.get(name).keySet()); // print keys of inner map (names)
 
 		}
 	}
 }