Skip to content

Revert "Update 49-Group-Anagrams.js" #603

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jul 23, 2022
Merged

Revert "Update 49-Group-Anagrams.js" #603

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
32 changes: 31 additions & 1 deletion javascript/49-Group-Anagrams.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -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[][]}
Expand Down Expand Up @@ -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();
}
Expand Down