From 2b6f7484de2b731e8b03580c45f1681f8fddff5e Mon Sep 17 00:00:00 2001
From: "qingyi.liu" <qingyival@163.com>
Date: Sat, 22 May 2021 22:40:23 +0800
Subject: [PATCH] =?UTF-8?q?update242.=E6=9C=89=E6=95=88=E7=9A=84=E5=AD=97?=
 =?UTF-8?q?=E6=AF=8D=E5=BC=82=E4=BD=8D=E8=AF=8D?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0242.有效的字母异位词.md | 12 +++++++++---
 problems/0383.赎金信.md                |  2 +-
 2 files changed, 10 insertions(+), 4 deletions(-)

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
index 8aa0d171..0c75bbf9 100644
--- a/problems/0242.有效的字母异位词.md
+++ b/problems/0242.有效的字母异位词.md
@@ -143,17 +143,23 @@ func isAnagram(s string, t string) bool {
 javaScript:
 
 ```js
+/**
+ * @param {string} s
+ * @param {string} t
+ * @return {boolean}
+ */
 var isAnagram = function(s, t) {
-    const resSet = new Array(25).fill(0);
+    if(s.length !== t.length) return false;
+    const resSet = new Array(26).fill(0);
     const base = "a".charCodeAt();
     for(const i of s) {
         resSet[i.charCodeAt() - base]++;
     }
     for(const i of t) {
+        if(!resSet[i.charCodeAt() - base]) return false;
         resSet[i.charCodeAt() - base]--;
-        // if(val < 0) return false; 
     }
-    return resSet.every(i => !i);
+    return true;
 };
 ```
 
diff --git a/problems/0383.赎金信.md b/problems/0383.赎金信.md
index 7ff28601..755910f9 100644
--- a/problems/0383.赎金信.md
+++ b/problems/0383.赎金信.md
@@ -176,7 +176,7 @@ javaScript:
  * @return {boolean}
  */
 var canConstruct = function(ransomNote, magazine) {
-    const strArr = new Array(25).fill(0), 
+    const strArr = new Array(26).fill(0), 
         base = "a".charCodeAt();
     for(const s of magazine) {
         strArr[s.charCodeAt() - base]++;