题解 | 名字的漂亮度

import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.TreeMap;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int nums = in.nextInt();
        in.nextLine();
        // 注意 hasNext 和 hasNextLine 的区别
        for (int i = 0; i < nums; i++) {
            int max = 26;
            int buauty = 0;
            Map<Character, Integer> map = new TreeMap<>();
            String s = in.nextLine();
            for (int j = 0; j < s.length(); j++) {
                if (!map.containsKey(s.charAt(j))) {
                    map.put(s.charAt(j), 1);
                } else {
                    int count = map.get(s.charAt(j));
                    count += 1;
                    map.put(s.charAt(j), count);
                }

            }
            Comparator<Map.Entry<Character, Integer>> valCmp = (o1,
                    o2) -> o2.getValue() - o1.getValue();
            List<Map.Entry<Character, Integer>> list = new ArrayList<>(map.entrySet());
            list.sort(valCmp);
            for (Map.Entry<Character, Integer> characterIntegerEntry : list) {
                Integer count = characterIntegerEntry.getValue();
                buauty += count * max--;
            }
            System.out.println(buauty);
        }
    }
}