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- Given two strings s and t , write a function to determine if t is an anagram of s.
- Example 1:
- Input: s = "anagram", t = "nagaram"
- Output: true
- Example 2:
- Input: s = "rat", t = "car"
- Output: false
- Note:
- You may assume the string contains only lowercase alphabets.
- Follow up:
- What if the inputs contain unicode characters? How would you adapt your solution to such case?
复制代码
- class Solution {
- public boolean isAnagram(String s, String t) {
-
- if(s.length() == 0 && t.length() == 0) return true;
-
- if(s.length() == 0 || t.length() == 0) return false;
-
- if(s.length() != t.length()) return false;
-
- char[] s1 = s.toCharArray();
- char[] t1 = t.toCharArray();
-
- int[] res = new int[256];
-
- for(int i = 0; i< s1.length; i++){
-
- res[s1[i]]++;
- }
-
- for(int i = 0; i< t1.length; i++){
-
- if(res[t1[i]]-- == 0) return false;
- }
- return true;
- }
- }
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