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Update merge sort challenge algorithm discussion (#138)

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Donne Martin 2017-01-17 06:16:43 -05:00 committed by GitHub
parent d6da67c748
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2 changed files with 13 additions and 4 deletions
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2
sorting_searching/merge_sort/merge_sort_challenge.ipynb
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@ -34,7 +34,7 @@
"source": [
"## Constraints\n",
"\n",
"* Is a naiive solution sufficient?\n",
"* Is a naive solution sufficient?\n",
" * Yes\n",
"* Are duplicates allowed?\n",
" * Yes\n",

15
sorting_searching/merge_sort/merge_sort_solution.ipynb
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@ -33,7 +33,7 @@
"source": [
"## Constraints\n",
"\n",
"* Is a naiive solution sufficient?\n",
"* Is a naive solution sufficient?\n",
" * Yes\n",
"* Are duplicates allowed?\n",
" * Yes\n",
@ -75,9 +75,18 @@
"\n",
"Complexity:\n",
"* Time: O(n log(n))\n",
"* Space: O(n+m), n = number of elements, m = recursion depth\n",
"* Space: O(n)\n",
"\n",
"Most implementations are stable."
"Misc:\n",
"\n",
"* Not in-place\n",
"* Most implementations are stable\n",
"\n",
"Merge sort can be a good choice for data sets that are too large to fit in memory, as large chunks of data can be read and written to disk.\n",
"\n",
"Unlike many other sorting algorithms, merge sort is not done in-place.\n",
"\n",
"See: [Quicksort vs merge sort](http://stackoverflow.com/questions/70402/why-is-quicksort-better-than-mergesort)"
]
},
{