题解 | #名字的漂亮度#
名字的漂亮度
https://www.nowcoder.com/practice/02cb8d3597cf416d9f6ae1b9ddc4fde3
import java.util.*; import java.util.stream.Collectors; // 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); while (in.hasNextLine()) { // 注意 while 处理多个 case int N = Integer.parseInt(in.nextLine()); for (int i = 0; i < N; i++) { String str = in.nextLine(); int result = beautyLen(str); System.out.println(result); } } } private static int beautyLen(String str) { char[] chars = str.toCharArray(); HashMap<Character, Integer> map = new HashMap<>(); for (char ch : chars) { Integer count = map.getOrDefault(ch, 0); map.put(ch, count + 1); } List<Integer> list = map.values().stream().sorted( Comparator.reverseOrder()).collect(Collectors.toList()); int beautyLen = 0; int beauty = 26; for (Integer count : list) { beautyLen += count * beauty; beauty--; } return beautyLen; } }#刷题#