题解 | #名字的漂亮度#
名字的漂亮度
https://www.nowcoder.com/practice/02cb8d3597cf416d9f6ae1b9ddc4fde3
import java.util.*; // 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 sc = new Scanner(System.in); int N = sc.nextInt(); String[] strs = new String[N]; for(int i=0;i<N;i++){ strs[i]=sc.next(); } int[] result = new int[N]; for (int i = 0; i < N; i++) { Map<Character,Integer> map = new HashMap<>(); String str = strs[i]; for (int j = 0; j < str.length(); j++) { if(map.get(str.charAt(j))==null){ map.put(str.charAt(j),1); } else{ map.put(str.charAt(j),map.get(str.charAt(j))+1); } } List<Map.Entry<Character,Integer>> list = new ArrayList<>(map.entrySet()); Collections.sort(list, new Comparator<Map.Entry<Character, Integer>>() { @Override public int compare(Map.Entry<Character, Integer> o1, Map.Entry<Character, Integer> o2) { return o2.getValue().compareTo(o1.getValue()); } }); int beauty = 26; int res = 0; for (Map.Entry<Character,Integer> entry:list) { res += entry.getValue()*(beauty--); } System.out.println(res); } } }