032. 有效的变位词
class Solution {
public boolean isAnagram(String s, String t) {
if(s.equals(t))return false;
if(s.length()!=t.length())return false;
int a[]=new int [26];
int b[]=new int [26];
for(int i=0;i
034. 外星语言是否排序
class Solution {
HashMap memo =new HashMap<>();
boolean check(String a,String b)
{
int n=a.length(),m=b.length();
for(int i=0;i memo.get(b.charAt(i)))return true;
}
if(n>m)return true;
return false;
}
public boolean isAlienSorted(String[] words, String order) {
int n=words.length,t=0;
for(char x :order.toCharArray()){
memo.put(x,++t);
}
for(int i=0;i