Sep 2, 2022 · Aug 28, 2022 · Aug 30, 2022 · Aug 30, 2022 · Sep 2, 2022 · Sep 2, 2022
diff --git a/problems/0242.有效的字母异位词.md b/problems/0242.有效的字母异位词.md
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Expand Up		@@ -92,18 +92,24 @@ public:

		Java:
		```java
	/**
	* 242. 有效的字母异位词字典解法
	* 时间复杂度O(m+n) 空间复杂度O(1)
	*/
		class Solution {
		public boolean isAnagram(String s, String t) {

		int[] record = new int[26];
	for (char c : s.toCharArray()) {
	record[c - 'a'] += 1;

	for (int i = 0; i < s.length(); i++) {
	record[s.charAt(i) - 'a']++;
		}
	for (char c : t.toCharArray()) {
	record[c - 'a'] -= 1;

	for (int i = 0; i < t.length(); i++) {
	record[t.charAt(i) - 'a']--;
		}
	for (int i : record) {
	if (i != 0) {

	for (int count: record) {
	if (count != 0) {
		return false;
		}
		}
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