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hueitan / anagrams.md
Last active April 22, 2017 02:14
english-letter-anagrams - https://codefights.com/feed/7Y8DCyxSimBdPMg98 
function numberOfAnagrams(S) {

  // S.length!/repeat!
  
  var total = factorial(S.length),
	repeat = 1,
      array = S.split('').sort();
  
  for (var i=1;i<array.length;i++) {
@hueitan
hueitan / chessboard-knight-move.md
Last active August 29, 2015 14:19
Chessboard - knight move - https://codefights.com/feed/EwbyCkuNRRzLMEBBi 
function blackOrWhite(s) { // true: black, false: white
  var vertical = s[0].charCodeAt(0) - 'a'.charCodeAt(0) + 1;
  var horizon = s[1];
  if (vertical % 2 == 1) { // vertical odd
    if (horizon % 2 == 0) { // horizon even
      return false;
    }
    return true;
  } else { // vertical even
@hueitan
hueitan / frontendDevlopmentBookmarks.md
Created June 27, 2013 13:13 — forked from dypsilon/frontendDevlopmentBookmarks.md