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Add Merge Sort algo chapter and Python example #163

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Closed
wants to merge 10 commits into from
3 changes: 2 additions & 1 deletion CONTRIBUTORS.md
Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,8 @@ Unlambder
<br>
Kjetil Johannessen
<br>
Mukundan
<br>
CDsigma
<br>
Gammison
Expand Down Expand Up @@ -61,4 +63,3 @@ Bendik Samseth
Trashtalk
<br>
Cyrus Burt

40 changes: 40 additions & 0 deletions contents/sorting_and_searching/merge/code/python/merge.py
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@@ -0,0 +1,40 @@
import random


def merge(l1, l2):
i = j = 0
l = []

while (i < len(l1)) and (j < len(l2)):
if l1[i] < l2[j]:
l.append(l1[i])
i += 1
else:
l.append(l2[j])
j += 1

l.extend(l1[i:len(l1)])
l.extend(l2[j:len(l2)])

return l


def merge_sort(l):
if len(l) == 1:
return l

l1 = merge_sort(l[0:len(l)//2])
l2 = merge_sort(l[len(l)//2:len(l)])

return merge(l1, l2)


def main():
number = [random.randint(0, 10000) for _ in range(10)]
print("Before Sorting {}".format(number))
number = merge_sort(number)
print("After Sorting {}".format(number))


if __name__ == "__main__":
main()
29 changes: 29 additions & 0 deletions contents/sorting_and_searching/merge/merge_sort.md
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# This Chapter is comming soon

{% method %}
{% sample lang="py" %}
[import:1-40, lang:"python"](code/python/merge.py)
{% endmethod %}

<script>
MathJax.Hub.Queue(["Typeset",MathJax.Hub]);
</script>
$$
\newcommand{\d}{\mathrm{d}}
\newcommand{\bff}{\boldsymbol{f}}
\newcommand{\bfg}{\boldsymbol{g}}
\newcommand{\bfp}{\boldsymbol{p}}
\newcommand{\bfq}{\boldsymbol{q}}
\newcommand{\bfx}{\boldsymbol{x}}
\newcommand{\bfu}{\boldsymbol{u}}
\newcommand{\bfv}{\boldsymbol{v}}
\newcommand{\bfA}{\boldsymbol{A}}
\newcommand{\bfB}{\boldsymbol{B}}
\newcommand{\bfC}{\boldsymbol{C}}
\newcommand{\bfM}{\boldsymbol{M}}
\newcommand{\bfJ}{\boldsymbol{J}}
\newcommand{\bfR}{\boldsymbol{R}}
\newcommand{\bfT}{\boldsymbol{T}}
\newcommand{\bfomega}{\boldsymbol{\omega}}
\newcommand{\bftau}{\boldsymbol{\tau}}
$$