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2016 Update

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This commit is contained in:
Tina Müller 2016-12-05 22:15:40 +01:00
parent 948b86eafa
commit dcf5d15da3
7965 changed files with 139854 additions and 31002 deletions
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22
Task/Sorting-algorithms-Merge-sort/JavaScript/sorting-algorithms-merge-sort.js
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@ -12,21 +12,19 @@ function merge(left, right, arr) {
}
}
function mSort(arr, tmp, len) {
function mergeSort(arr) {
var len = arr.length;
if (len === 1) { return; }
var m = Math.floor(len / 2),
tmp_l = tmp.slice(0, m),
tmp_r = tmp.slice(m);
var mid = Math.floor(len / 2),
left = arr.slice(0, mid),
right = arr.slice(mid);
mSort(tmp_l, arr.slice(0, m), m);
mSort(tmp_r, arr.slice(m), len - m);
merge(tmp_l, tmp_r, arr);
}
function merge_sort(arr) {
mSort(arr, arr.slice(), arr.length);
mergeSort(left);
mergeSort(right);
merge(left, right, arr);
}
var arr = [1, 5, 2, 7, 3, 9, 4, 6, 8];
merge_sort(arr); // arr will now: 1, 2, 3, 4, 5, 6, 7, 8, 9
mergeSort(arr); // arr will now: 1, 2, 3, 4, 5, 6, 7, 8, 9