舍甫琴科：小游戏吧

桥寻：package _toutiao; import java.util.*; /** * Created by kangqizhou on 2017/3/30. */ public class Main { private static List<String> paragraph = new ArrayList<>(); private static List<String> paragraph2 = new ArrayList<>(); public static void main(String... args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); int m = scanner.nextInt(); for (int i = 0; i < n; i++) { String s = scanner.nextLine(); while (s.isEmpty()) s = scanner.nextLine(); paragraph.add(s.toLowerCase()); paragraph2.add(s); } for (int i = 0; i < m; i++) { System.out.println(findResult(scanner.nextLine().toLowerCase())); } } private static String findResult(String str) { String[] strs = str.split(" "); int max = 0; int index = 0; for (int i = index; i < paragraph.size(); i++) { String[] line = paragraph.get(i).split(" "); int result = findSame(strs, line); if (result > max) { index = i; max = result; } } return paragraph2.get(index); } public static int findSame(String array1[], String array2[]) { int result = 0; HashSet<String> hashSet = new HashSet<>(); HashSet<String> hashSet2 = new HashSet<>(); Collections.addAll(hashSet, array1); Collections.addAll(hashSet2, array2); for (String str : hashSet2) { if (hashSet.contains(str)) { result++; } } return result; } } 挺简单的