题解 | #查找兄弟单词#
查找兄弟单词
http://www.nowcoder.com/practice/03ba8aeeef73400ca7a37a5f3370fe68
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
while (sc.hasNext()) {
int n = sc.nextInt();
List<String> list = new ArrayList<>();
List<String> listN = new ArrayList<>();
for (int i = 1; i <= n + 1; i++) {
list.add(sc.next());
}
int k = sc.nextInt();
String str = list.get(list.size() - 1);
list.remove(list.size() - 1);
String strN = getNew(str);
for (int i = 0; i < list.size(); i++) {
if (list.get(i).equals(str)) {
continue;
}
if (getNew(list.get(i)).equals(strN)) {
listN.add(list.get(i));
}
}
Collections.sort(listN);
System.out.println(listN.size());
if (k <= listN.size()) {
System.out.println(listN.get(k - 1));
}else{
continue;
}
}
}
private static String getNew(String str) {
char[] chars = str.toCharArray();
Arrays.sort(chars);
//用作比较的str
return String.valueOf(chars);
}
}
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