Merge pull request neetcode-gh#603 from neetcode-gh/revert-602-patch-2

Revert "Update 49-Group-Anagrams.js"

Author: Ahmad-A0

javascript/49-Group-Anagrams.js

@@ -5,6 +5,36 @@
 // This solution is faster than sorting each word.
 //////////////////////////////////////////////////////////////////////////////
 
+/** @const {!Object<string, number>} */
+const CODES = {
+    a: 0,
+    b: 1,
+    c: 2,
+    d: 3,
+    e: 4,
+    f: 5,
+    g: 6,
+    h: 7,
+    i: 8,
+    j: 9,
+    k: 10,
+    l: 11,
+    m: 12,
+    n: 13,
+    o: 14,
+    p: 15,
+    q: 16,
+    r: 17,
+    s: 18,
+    t: 19,
+    u: 20,
+    v: 21,
+    w: 22,
+    x: 23,
+    y: 24,
+    z: 25,
+};
+
 /**
  * @param {string[]} words
  * @return {string[][]}
@@ -33,7 +63,7 @@ function groupAnagrams(words) {
 function hashWord(word) {
     const hash = new Array(26).fill(0);
     for (const ch of word) {
-        ++hash[ch.charCodeAt(0) - 'a'.charCodeAt(0)];
+        ++hash[CODES[ch]];
     }
     return hash.toString();
 }