Update 49-Group-Anagrams.js

nick322 · Jul 23, 2022 · b1f182a · b1f182a
1 parent 742d19c
commit b1f182a
Showing 1 changed file with 1 addition and 31 deletions.
diff --git a/javascript/49-Group-Anagrams.js b/javascript/49-Group-Anagrams.js
@@ -5,36 +5,6 @@
 // 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[][]}
@@ -63,7 +33,7 @@ function groupAnagrams(words) {
 function hashWord(word) {
  const hash = new Array(26).fill(0);
  for (const ch of word) {
- ++hash[CODES[ch]];
+ ++hash[ch.charCodeAt(0) - 'a'.charCodeAt(0)];
  }
  return hash.toString();
 }