4 Commits

Autor SHA1 Mensagem Data
  Jantony Velazquez Gauthier 71b2da84e8 Add inital shellsort implementation 2 anos atrás
  Jantony Velazquez Gauthier 34af7910c3 Add shellsort 2 anos atrás
  AngelRomero5 955a91ca74 Added merge algorithm 2 anos atrás
  AngelRomero5 2aea5dde9f Added Mergesort algorithm 2 anos atrás
1 arquivos alterados com 5 adições e 39 exclusões
  1. 5
    39
      sorting.py

+ 5
- 39
sorting.py Ver arquivo

@@ -9,41 +9,10 @@ Al final se imprimen los promedios de cada algortimo
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 from random import randint
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 import time
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 from copy import deepcopy
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-import sys
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-
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-# This function was created to prevent program from stopping before recursion finished
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-# Changes python's recursion limit
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-class recursion_depth:
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-    def __init__(self, limit):
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-        self.limit = limit
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-        self.default_limit = sys.getrecursionlimit()
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-
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-    def __enter__(self):
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-        sys.setrecursionlimit(self.limit)
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-
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-    def __exit__(self, type, value, traceback):
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-        sys.setrecursionlimit(self.default_limit)
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-
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-# Mergesort algorithm
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-def mergeSort(lista): # Ángel G. Romero Rosario on 10082022
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-	
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-	def merge(l1, l2):
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-		if len(l1) == 0:
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-			return l2
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-		elif len(l2) == 0:
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-			return l1
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-		elif l1[0] < l2[0]:
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-			return l1[0:1] + merge(l1[1:],l2)       # If l1[0] < l2[0] save l1[0] first to the list and call the function again
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-		else:
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-			return l2[0:1] + merge(l1, l2[1:])		# If l2[0] < l1[0] save l2[0] first to the list and call the function again
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-	
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-	if len(lista) <= 1:								# If there are no more items, return lista
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-		return lista
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-
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-	else:
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-		mid = len(lista) // 2 						# Find the middle in lista and call function to merge lista
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-		return merge(mergeSort(lista[:mid]), mergeSort(lista[mid:]))
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+def mergeSort(lista):
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+	#definan el algoritmo de ordenamiento mergesort
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+	return lista
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 def heapSort(lista):
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 	#definan el algoritmo de ordenamiento heapsort
@@ -81,7 +50,6 @@ def shellSort(lst):
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     return lst
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-
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 # timeCode function/thunk -> (duration, return value)
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 # measures the time it takes for a function/thunk to return
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 def timeCode(fn):
@@ -91,7 +59,7 @@ def timeCode(fn):
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 	return (duration, res)
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 maxValor = 1000 	#define el valor maximo de los elementos de la lista
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-largoLista = 1000   #define el largo de las listas a ordenar
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+largoLista = 1000 #define el largo de las listas a ordenar
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 veces = 100 		#define las veces que se va a hacer el ordenamiento
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 acumulaMerge = 0 	#variable para acumular el tiempo de ejecucion del mergesort
@@ -105,9 +73,7 @@ for i in range(veces):
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 	quicklista = deepcopy(mergelista)
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 	searchlista = deepcopy(mergelista)
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-	with recursion_depth(1100): # This function excedes python's recursion limit
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-		acumulaMerge += timeCode(lambda: mergeSort(mergelista))[0]
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-
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+	acumulaMerge += timeCode(lambda: mergeSort(mergelista))[0]
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 	acumulaHeap += timeCode(lambda: heapSort(heaplista))[0]
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 	acumulaQuick += timeCode(lambda: quickSort(quicklista))[0]
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 	acumulaShell += timeCode(lambda: shellSort(searchlista))[0]