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ads (1).py
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# -*- coding: utf-8 -*-
"""ADS.ipynb
Automatically generated by Colaboratory.
Original file is located at
https://colab.research.google.com/drive/1Di4l_arMLT8_lqqsqgHw6YVB3BhKGEdb
Selection sort for list of integers with size 100.
"""
import time
import random
start = time.time()
def selectionSort(array):
n = len(array)
for i in range(n):
# Initially, assume the first element of the unsorted part as the minimum.
minimum = i
for j in range(i+1, n):
if (array[j] < array[minimum]):
# Update position of minimum element if a smaller element is found.
minimum = j
# Swap the minimum element with the first element of the unsorted part.
temp = array[i]
array[i] = array[minimum]
array[minimum] = temp
return array
# Driver code
#array = [13, 4, 9, 5, 3, 16, 12,3,4,4]
array = random.sample(range(10,1000), 100)
# array = list(range(1,100))
print(array)
print(selectionSort(array))
end = time.time()
print ("Execution time for selection sort:", end - start)
"""Insertion sort for list of integers with size 100
"""
import time
import random
start = time.time()
def insertion_sort(arr):
for i in range(1, len(arr)):
# Set key:
key = arr[i]
j = i - 1
while j >= 0 and arr[j] > key:
# Swap:
arr[j + 1] = arr[j]
arr[j] = key
# Decrement 'j':
j -= 1
return arr
# Driver code
#array = [13, 4, 9, 5, 3, 16, 12,3,4,4]
# array = list(range(1,100))
array = random.sample(range(10,1000), 100)
print(insertion_sort(array))
end = time.time()
print ("Time elapsed of insertion sort:", end - start)
"""Bubble sort for list of integers with size 100. """
import time
import random
start = time.time()
def bubbleSort(arr):
n = len(arr)
# Traverse through all array elements
for i in range(n-1):
# range(n) also work but outer loop will repeat one time more than needed.
# Last i elements are already in place
for j in range(0, n-i-1):
# traverse the array from 0 to n-i-1
# Swap if the element found is greater
# than the next element
if arr[j] > arr[j + 1] :
arr[j], arr[j + 1] = arr[j + 1], arr[j]
# Driver code
#array = [13, 4, 9, 5, 3, 16, 12,3,4,4]
# array = list(range(1,100))
array = random.sample(range(10,1000), 100)
#print(bubbleSort(array))
end = time.time()
print ("Execution time for selection sort:", end - start)
#Merge sort for list of integers with size 100
import time
start = time.time()
def mergeSort(array):
if len(array)>1:
# Finding the mid of the array
mid = len(array)//2
# Dividing the array elements
lefthalf = array[:mid]
righthalf =array[mid:]
# Recursive call on each half
# Sorting the first half
mergeSort(lefthalf)
# Sorting the second half
mergeSort(righthalf)
i=j=k=0
while i < len(lefthalf) and j < len(righthalf):
if lefthalf[i] < righthalf[j]:
array[k]=lefthalf[i]
i=i+1
else:
array[k]=righthalf[j]
j=j+1
k=k+1
# Checking if any element was left
while i < len(lefthalf):
array[k]=lefthalf[i]
i=i+1
k=k+1
while j < len(righthalf):
array[k]=righthalf[j]
j=j+1
k=k+1
# Driver code
# array = [13, 4, 9, 5, 3, 16, 12,3,4,4]
array = list(range(1,100))
mergeSort(array)
end = time.time()
print(array)
print ("Execution time for Merge sort:", end - start)
# Quick sorting for list integers of size 100
import time
start = time.time()
def partition(start, end, array):
# Initializing pivot's index to start
pivot_index = start
pivot = array[pivot_index]
# This loop runs till start pointer crosses end pointer, and when it does we swap the pivot with element on end pointer
while start < end:
# Increment the start pointer till it finds an element greater than pivot
while start < len(array) and array[start] <= pivot:
start += 1
# Decrement the end pointer till it finds an element less than pivot
while array[end] > pivot:
end -= 1
# If start and end have not crossed each other,swap the numbers on start and end
if(start < end):
array[start], array[end] = array[end], array[start]
# Swap pivot element with element on end pointer. This puts pivot on its correct sorted place.
array[end], array[pivot_index] = array[pivot_index], array[end]
# Returning end pointer to divide the array into 2
return end
# The main function that implements QuickSort
def quick_sort(start, end, array):
if (start < end):
# p is partitioning index, array[p] is at right place
p = partition(start, end, array)
# Sort elements before partition and after partition
quick_sort(start, p - 1, array)
quick_sort(p + 1, end, array)
# Driver code
# array = [ 13, 4, 9, 5, 3, 16, 12,3,4,4]
array = list(range(1,100))
quick_sort(0, len(array) - 1, array)
print(f'Sorted array: {array}')
end = time.time()
print ("Execution time for Merge sort:", end - start)
"""Selection sort for list of strings with size 8"""
import time
start = time.time()
def selectionSort(array):
n = len(array)
for i in range(n):
# Initially, assume the first element of the unsorted part as the minimum.
minimum = i
for j in range(i+1, n):
if (array[j] < array[minimum]):
# Update position of minimum element if a smaller element is found.
minimum = j
# Swap the minimum element with the first element of the unsorted part.
temp = array[i]
array[i] = array[minimum]
array[minimum] = temp
return array
# Driver code
array = ["cherry","jackfruit","apple","mango","lemon","iceapple","banana"]
print(selectionSort(array))
end = time.time()
print ("Execution time for selection sort:", end - start)
"""Insertion sort for list of strings with size 8"""
import time
start = time.time()
def insertion_sort(arr):
for i in range(1, len(arr)):
# Set key:
key = arr[i]
j = i - 1
while j >= 0 and arr[j] > key:
# Swap:
arr[j + 1] = arr[j]
arr[j] = key
# Decrement 'j':
j -= 1
return arr
# Driver code
array = ["cherry","jackfruit","apple","mango","lemon","iceapple","banana"]
print(insertion_sort(array))
end = time.time()
print ("Time elapsed of insertion sort:", end - start)
"""Bubble Sort for list of strings with size 8"""
import time
start = time.time()
def bubbleSort(arr):
n = len(arr)
# Traverse through all array elements
for i in range(n-1):
# range(n) also work but outer loop will repeat one time more than needed.
# Last i elements are already in place
for j in range(0, n-i-1):
# traverse the array from 0 to n-i-1
# Swap if the element found is greater
# than the next element
if arr[j] > arr[j + 1] :
arr[j], arr[j + 1] = arr[j + 1], arr[j]
# Driver code
array = ["cherry","jackfruit","apple","mango","lemon","iceapple","banana"]
print(bubbleSort(array))
end = time.time()
print ("Execution time for selection sort:", end - start)
import time
start = time.time()
def selectionSort(array):
n = len(array)
for i in range(n):
# Initially, assume the first element of the unsorted part as the minimum.
minimum = i
for j in range(i+1, n):
if (array[j] < array[minimum]):
# Update position of minimum element if a smaller element is found.
minimum = j
# Swap the minimum element with the first element of the unsorted part.
temp = array[i]
array[i] = array[minimum]
array[minimum] = temp
return array
# Driver code
array = [1.3, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.11, 0.13, 0.9, 0.45, 0.33, 0.456, 0.234, 0.12]
print(selectionSort(array))
end = time.time()
print ("Execution time for selection sort:", end - start)
import time
start = time.time()
def insertion_sort(arr):
for i in range(1, len(arr)):
# Set key:
key = arr[i]
j = i - 1
while j >= 0 and arr[j] > key:
# Swap:
arr[j + 1] = arr[j]
arr[j] = key
# Decrement 'j':
j -= 1
return arr
# Driver code
array = [1.3, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.11, 0.13, 0.9, 0.45, 0.33, 0.456, 0.234, 0.12]
print(insertion_sort(array))
end = time.time()
print ("Time elapsed of insertion sort:", end - start)
import time
start = time.time()
def bubbleSort(arr):
n = len(arr)
# Traverse through all array elements
for i in range(n-1):
# range(n) also work but outer loop will repeat one time more than needed.
# Last i elements are already in place
for j in range(0, n-i-1):
# traverse the array from 0 to n-i-1
# Swap if the element found is greater
# than the next element
if arr[j] > arr[j + 1] :
arr[j], arr[j + 1] = arr[j + 1], arr[j]
# Driver code
array = [1.3, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.11, 0.13, 0.9, 0.45, 0.33, 0.456, 0.234, 0.12]
print(bubbleSort(array))
end = time.time()
print ("Execution time for selection sort:", end - start)
import time
start = time.time()
def selectionSort(array):
n = len(array)
for i in range(n):
# Initially, assume the first element of the unsorted part as the minimum.
minimum = i
for j in range(i+1, n):
if (array[j] < array[minimum]):
# Update position of minimum element if a smaller element is found.
minimum = j
# Swap the minimum element with the first element of the unsorted part.
temp = array[i]
array[i] = array[minimum]
array[minimum] = temp
return array
# Driver code
array = [('Saranya',84), ('Surya',92) , ('Joy',88) , ('Sree',86), ('Ritha',89)]
print(selectionSort(array))
end = time.time()
print ("Execution time for selection sort:", end - start)
import time
start = time.time()
def insertion_sort(arr):
for i in range(1, len(arr)):
# Set key:
key = arr[i]
j = i - 1
while j >= 0 and arr[j] > key:
# Swap:
arr[j + 1] = arr[j]
arr[j] = key
# Decrement 'j':
j -= 1
return arr
# Driver code
array = [('Saranya',84), ('Surya',92) , ('Joy',88) , ('Sree',86), ('Ritha',89)]
print(insertion_sort(array))
end = time.time()
print ("Time elapsed of insertion sort:", end - start)
import time
start = time.time()
def bubbleSort(arr):
n = len(arr)
# Traverse through all array elements
for i in range(n-1):
# range(n) also work but outer loop will repeat one time more than needed.
# Last i elements are already in place
for j in range(0, n-i-1):
# traverse the array from 0 to n-i-1
# Swap if the element found is greater
# than the next element
if arr[j] > arr[j + 1] :
arr[j], arr[j + 1] = arr[j + 1], arr[j]
# Driver code
array = [('Saranya',84), ('Surya',92) , ('Joy',88) , ('Sree',86), ('Ritha',89)]
bubblesort(array)
for k in range(len(array)):
print(array[k],",")
end = time.time()
print ("Execution time for selection sort:", end - start)
#Merge sort for list of strings with size 8
import time
start = time.time()
def mergeSort(array):
if len(array)>1:
# Finding the mid of the array
mid = len(array)//2
# Dividing the array elements
lefthalf = array[:mid]
righthalf =array[mid:]
# Recursive call on each half
# Sorting the first half
mergeSort(lefthalf)
# Sorting the second half
mergeSort(righthalf)
i=j=k=0
while i < len(lefthalf) and j < len(righthalf):
if lefthalf[i] < righthalf[j]:
array[k]=lefthalf[i]
i=i+1
else:
array[k]=righthalf[j]
j=j+1
k=k+1
# Checking if any element was left
while i < len(lefthalf):
array[k]=lefthalf[i]
i=i+1
k=k+1
while j < len(righthalf):
array[k]=righthalf[j]
j=j+1
k=k+1
# Driver code
array = ["cherry","jackfruit","apple","mango","lemon","iceapple","banana","orange"]
mergeSort(array)
end = time.time()
print(array)
print ("Execution time for Merge sort:", end - start)
import time
start = time.time()
def mergeSort(array):
if len(array)>1:
# Finding the mid of the array
mid = len(array)//2
# Dividing the array elements
lefthalf = array[:mid]
righthalf =array[mid:]
# Recursive call on each half
# Sorting the first half
mergeSort(lefthalf)
# Sorting the second half
mergeSort(righthalf)
i=j=k=0
while i < len(lefthalf) and j < len(righthalf):
if lefthalf[i] < righthalf[j]:
array[k]=lefthalf[i]
i=i+1
else:
array[k]=righthalf[j]
j=j+1
k=k+1
# Checking if any element was left
while i < len(lefthalf):
array[k]=lefthalf[i]
i=i+1
k=k+1
while j < len(righthalf):
array[k]=righthalf[j]
j=j+1
k=k+1
# Driver code
array = [1.3, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.11, 0.13, 0.9, 0.45, 0.33, 0.456, 0.234, 0.12]
mergeSort(array)
end = time.time()
print(array)
print ("Execution time for Merge sort:", end - start)
import time
start = time.time()
def mergeSort(array):
if len(array)>1:
# Finding the mid of the array
mid = len(array)//2
# Dividing the array elements
lefthalf = array[:mid]
righthalf =array[mid:]
# Recursive call on each half
# Sorting the first half
mergeSort(lefthalf)
# Sorting the second half
mergeSort(righthalf)
i=j=k=0
while i < len(lefthalf) and j < len(righthalf):
if lefthalf[i] < righthalf[j]:
array[k]=lefthalf[i]
i=i+1
else:
array[k]=righthalf[j]
j=j+1
k=k+1
# Checking if any element was left
while i < len(lefthalf):
array[k]=lefthalf[i]
i=i+1
k=k+1
while j < len(righthalf):
array[k]=righthalf[j]
j=j+1
k=k+1
# Driver code
array = [[('Saranya',84), ('Surya',92) , ('Joy',88) , ('Sree',86), ('Ritha',89)]]
mergeSort(array)
end = time.time()
print(array)
print ("Execution time for Merge sort:", end - start)
# Quick sorting for list of strings
import time
start = time.time()
def partition(start, end, array):
# Initializing pivot's index to start
pivot_index = start
pivot = array[pivot_index]
# This loop runs till start pointer crosses end pointer, and when it does we swap the pivot with element on end pointer
while start < end:
# Increment the start pointer till it finds an element greater than pivot
while start < len(array) and array[start] <= pivot:
start += 1
# Decrement the end pointer till it finds an element less than pivot
while array[end] > pivot:
end -= 1
# If start and end have not crossed each other,swap the numbers on start and end
if(start < end):
array[start], array[end] = array[end], array[start]
# Swap pivot element with element on end pointer. This puts pivot on its correct sorted place.
array[end], array[pivot_index] = array[pivot_index], array[end]
# Returning end pointer to divide the array into 2
return end
# The main function that implements QuickSort
def quick_sort(start, end, array):
if (start < end):
# p is partitioning index, array[p] is at right place
p = partition(start, end, array)
# Sort elements before partition and after partition
quick_sort(start, p - 1, array)
quick_sort(p + 1, end, array)
# Driver code
array = [ "cherry","jackfruit","apple","mango","lemon","iceapple","banana","orange" ]
quick_sort(0, len(array) - 1, array)
print(f'Sorted array: {array}')
end = time.time()
print ("Execution time for Merge sort:", end - start)
# Quick sorting for list of float values
import time
start = time.time()
def partition(start, end, array):
# Initializing pivot's index to start
pivot_index = start
pivot = array[pivot_index]
# This loop runs till start pointer crosses end pointer, and when it does we swap the pivot with element on end pointer
while start < end:
# Increment the start pointer till it finds an element greater than pivot
while start < len(array) and array[start] <= pivot:
start += 1
# Decrement the end pointer till it finds an element less than pivot
while array[end] > pivot:
end -= 1
# If start and end have not crossed each other,swap the numbers on start and end
if(start < end):
array[start], array[end] = array[end], array[start]
# Swap pivot element with element on end pointer. This puts pivot on its correct sorted place.
array[end], array[pivot_index] = array[pivot_index], array[end]
# Returning end pointer to divide the array into 2
return end
# The main function that implements QuickSort
def quick_sort(start, end, array):
if (start < end):
# p is partitioning index, array[p] is at right place
p = partition(start, end, array)
# Sort elements before partition and after partition
quick_sort(start, p - 1, array)
quick_sort(p + 1, end, array)
# Driver code
array = [ 1.3, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.11, 0.13, 0.9, 0.45, 0.33, 0.456, 0.234, 0.12 ]
quick_sort(0, len(array) - 1, array)
print(f'Sorted array: {array}')
end = time.time()
print ("Execution time for Merge sort:", end - start)
import time
start = time.time()
def partition(start, end, array):
# Initializing pivot's index to start
pivot_index = start
pivot = array[pivot_index]
# This loop runs till start pointer crosses end pointer, and when it does we swap the pivot with element on end pointer
while start < end:
# Increment the start pointer till it finds an element greater than pivot
while start < len(array) and array[start] <= pivot:
start += 1
# Decrement the end pointer till it finds an element less than pivot
while array[end] > pivot:
end -= 1
# If start and end have not crossed each other,swap the numbers on start and end
if(start < end):
array[start], array[end] = array[end], array[start]
# Swap pivot element with element on end pointer. This puts pivot on its correct sorted place.
array[end], array[pivot_index] = array[pivot_index], array[end]
# Returning end pointer to divide the array into 2
return end
# The main function that implements QuickSort
def quick_sort(start, end, array):
if (start < end):
# p is partitioning index, array[p] is at right place
p = partition(start, end, array)
# Sort elements before partition and after partition
quick_sort(start, p - 1, array)
quick_sort(p + 1, end, array)
# Driver code
array = [ [('Saranya',84), ('Surya',92) , ('Joy',88) , ('Sree',86), ('Ritha',89)]]
quick_sort(0, len(array) - 1, array)
print(f'Sorted array: {array}')
end = time.time()
print ("Execution time for selection sort:", end - start)