[HackerRank] Java Comparator
https://www.hackerrank.com/challenges/java-comparator/problem?isFullScreen=true
Solution
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Scanner;
class Player {
String name;
int score;
public Player(String name, int score) {
this.name = name;
this.score = score;
}
}
class Solution {
public static void main(String[] args) {
try (Scanner scanner = new Scanner(System.in)) {
int n = scanner.nextInt();
Player[] player = new Player[n];
for (int i = 0; i < n; i++) {
player[i] = new Player(scanner.next(), scanner.nextInt());
}
Arrays.sort(player, new Comparator<Player>() {
@Override
public int compare(Player p1, Player p2) {
if (p1.score == p2.score) {
return p1.name.compareTo(p2.name);
} else {
return p2.score - p1.score; // descending
}
}
});
for (Player p : player) {
System.out.println(p.name + " " + p.score);
}
}
}
}
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