def test_insertion_sort(self):
self.assertListEqual(insertion_sort([1,5,3,2,4]), [1,2,3,4,5])
self.assertListEqual(insertion_sort([8,5,3,2,4]), [2,3,4,5,8])
self.assertListEqual(insertion_sort([1,5,25,2,4]), [1,2,4,5,25])
self.assertListEqual(insertion_sort([1,5,9,3,2,4]), [1,2,3,4,5,9])
self.assertListEqual(insertion_sort([1,5,3,2,100,4]), [1,2,3,4,5,100])
def start_algorithm():
"""
Starts the algorithm based on the selection from the user in the ComboBox
Expected Complexity: dependent on the sort selected
"""
global data_list
if algorithm_menu.get() == "Bubble Sort":
bubble_sort(data_list, draw_data, speed_scale.get())
elif algorithm_menu.get() == "Selection Sort":
selection_sort(data_list, draw_data, speed_scale.get())
elif algorithm_menu.get() == "Insertion Sort":
insertion_sort(data_list, draw_data, speed_scale.get())
elif algorithm_menu.get() == "Quick Sort":
quick_sort(data_list, 0,
len(data_list) - 1, draw_data, speed_scale.get())
elif algorithm_menu.get() == "Merge Sort":
merge_sort(data_list, 0,
len(data_list) - 1, draw_data, speed_scale.get())
elif algorithm_menu.get() == "Heap Sort":
heap_sort(data_list, draw_data, speed_scale.get())
elif algorithm_menu.get() == "Cocktail Sort":
cocktail_sort(data_list, draw_data, speed_scale.get())
def test_insertion_sort(self):
for x in range(TEST_ARRAYS_COUNT):
array = [random.randrange(0, 1000) for y in range(x * 100 + 1)]
unsorted = array.copy()
unsorted.sort()
insertion_sort(array)
self.assertEqual(unsorted, array)
def test_insertion_sort_list(self):
l = List()
l.append(ListItem("d"))
l.append(ListItem("a"))
self.assertEqual(insertion_sort(l).get_items(), ["a", "d"])
l = List()
l.append(ListItem("d"))
l.append(ListItem("a"))
l.append(ListItem("v"))
l.append(ListItem("b"))
l.append(ListItem("z"))
self.assertEqual(insertion_sort(l).get_items(), ["a", "b", "d", "v", "z"])
def test_insertion(user_int):
test_list = [i for i in range(user_int)]
random.shuffle(test_list)
start_time = time.time()
insertion_sort(test_list, 0, len(test_list) - 1)
final_time = time.time()
total_time = final_time - start_time
result_str = generate_results(test_list, total_time, "Insertion")
print(result_str)
return None
def StartAlgorithm():
global data
if not data: return
if algMenu.get() == 'Quick Sort':
quick_sort(data, 0, len(data) - 1, drawData, speedScale.get())
drawData(data, ['green' for x in range(len(data))])
elif algMenu.get() == 'Bubble Sort':
bubble_sort(data, drawData, speedScale.get())
elif algMenu.get() == 'Merge Sort':
merge_sort(data, drawData, speedScale.get())
elif algMenu.get() == 'Insertion Sort':
insertion_sort(data, drawData, speedScale.get())
def main():
# Test quicksort
t_list = make_rand_list(10)
print(t_list)
print(quicksort(t_list))
print(mergesort(t_list))
print(bubblesort(t_list))
print(insertion_sort(t_list))
def bucket_sort(array):
try:
min_a = min(array)
max_a = max(array)
len_a = len(array)
buckets = [[] for x in range(len_a + 10)]
for x in array:
buckets[int(len_a * x / (max_a - min_a))].append(x)
for b in buckets:
insertion_sort(b)
narray = []
for b in buckets:
narray += b
for x in range(len_a):
array[x] = narray[x]
except ZeroDivisionError:
pass
def test_insertion(user_int):
# build the test list
test_list = [i for i in range(user_int)]
random.shuffle(test_list)
# time tracking of the sort
start_time = time.time()
insertion_sort(test_list, 0, len(test_list) - 1)
final_time = time.time()
# generate and print results
total_time = final_time - start_time
result_str = generate_results(test_list, total_time, "Insertion")
print(result_str)
return None
def run_sort(n):
output = [0, 0, 0, 0]
# Generate strings
(a, b) = generate_alphanumeric_strings(n, STRING_WIDTH)
# Insertion sort
if n <= 1000:
print("Running insertion sort...")
insertion_a = a.copy()
st = time.time()
insertion_sorted = insertion_sort(insertion_a)
output[0] = time.time() - st
print("Sort took a total of %s seconds" % str(time.time() - st))
verify_sort(insertion_sorted)
print("\n")
else:
print(
"Insertion sort only runs up to a value of 100000 otherwise it takes too long."
)
print("\n")
# Quick sort
print("Running quick sort...")
quick_a = a.copy()
st = time.time()
quick_sorted = quick_sort(quick_a, 0, len(quick_a) - 1)
output[1] = time.time() - st
print("Sort took a total of %s seconds" % str(time.time() - st))
verify_sort(quick_sorted)
print("\n")
if n <= 1000000:
# Merge sort
print("Running merge sort...")
merge_a = a.copy()
st = time.time()
merge_sorted = merge_sort(merge_a)
output[2] = time.time() - st
print("Sort took a total of %s seconds" % str(time.time() - st))
verify_sort(merge_sorted)
print("\n")
if n <= 100000:
# Tree hash sort
print("Running tree hash sort...")
hash_a = a.copy()
st = time.time()
t = HashTable(values=hash_a, accuracy=ACCURACY)
t.sort()
output[3] = time.time() - st
print("Sort took a total of %s seconds" % str(time.time() - st))
hash_sorted = t.get_values()
verify_sort(hash_sorted)
print("\n")
return output
def quick_sort(dll, start, end, size, threshold):
"""
<<<<<<< HEAD
quick_sort
:param dll: the dll to sort
:param start: start of dll to sort
:param end: end of dll to sort
:param size: size of dll
:param threshold: size that if less than or equal to will send dll to insertion sort
:return: sort dll
=======
Uses the quick sort algorithm to sort the DLL
:param dll: [DLL] the dll to sort
:param start: [DLLNode] start of dll to sort
:param end: [DLLNode] end of dll to sort
:param size: [int] size of dll
:param threshold: [int] size that if less than or equal to will send dll to insertion sort
:return: [DLL] sort dll
>>>>>>> f39e3b14ac55bc1f92fc152e7e5a0672b52e0cc7
"""
if threshold >= size > 1: # could be one idk
insertion_sort(dll, start, end)
return
else:
if size < 2:
return
# returns (pivot node, size from start to pivot)
tup = partition(start, end)
if tup[0] is None:
return
# Get right hand size, start with 0 because of .get_next() call below
rhand_size = 0
val = tup[0]
# Reset tail if needed
while dll.get_tail().get_next() is not None and dll.get_tail() is not None:
dll.set_tail(dll.get_tail().get_next())
end = dll.get_tail()
def test_insertion(self):
dll = DLL([])
assert dll.get_size() == 0
assert dll.get_head() is None
assert dll.get_tail() is None
# normal
orig = [6, 1, 4, 7, 3, 5, 10, 8, 9, 2]
dll = DLL(orig)
insertion_sort(dll, dll.get_head(), dll.get_tail())
assert dll == DLL(sorted(orig))
# size 1
orig = [6]
dll = DLL(orig)
insertion_sort(dll, dll.get_head(), dll.get_tail())
assert dll == DLL(sorted(orig))
# acending
orig = [6,5,4,3,2,1]
dll = DLL(orig)
insertion_sort(dll, dll.get_head(), dll.get_tail())
assert dll == DLL(sorted(orig))
# scattered
orig = [1,8,2,7,3,6,4,6]
dll = DLL(orig)
insertion_sort(dll, dll.get_head(), dll.get_tail())
assert dll == DLL(sorted(orig))
# size 2
orig = []
dll = DLL(orig)
insertion_sort(dll, dll.get_head(), dll.get_tail())
assert dll == DLL([])
def test(n):
print "Tempi ordinamento vettore di", n, "elementi random :"
#CASO MEDIO (ARRAY RANDOM)
list1 = random_list(n)
list2 = copy_list(list1)
#print "Vettore random da ordinare : ",list1
start = timer()
insertion_sort(list1)
end = timer()
print " - Tempo impiegato da InsertionSort :", (end - start), " secondi"
start = timer()
Merge_Sort(list2, 0, n - 1)
end = timer()
print " - Tempo impiegato da MergeSort :", (end - start), " secondi"
#CASO MIGLIORE (ARRAY ORDINATO)
print "Tempi ordinamento vettore ordinato :"
start = timer()
insertion_sort(list1)
end = timer()
print " - InsertionSort :", (end - start), " secondi"
start = timer()
Merge_Sort(list2, 0, n - 1)
end = timer()
print " - MergeSort :", (end - start), " secondi"
#CASO PEGGIORE (ARRAY ORDINATO AL CONTRARIO)
print "Tempi ordinamento vettore ordinato al contrario :"
list1.reverse()
list4 = copy_list(list1)
start = timer()
insertion_sort(list1)
end = timer()
print " - InsertionSort :", (end - start), " secondi"
start = timer()
Merge_Sort(list4, 0, n - 1)
end = timer()
print " - MergeSort :", (end - start), " secondi"
def insertion_sort_time():
#Create empty dictionary
execution_time = {}
for i in range(500, 10001, 500):
try:
unsorted_array = sorted(random.sample(range(i), i))
except ValueError:
print("Sample larger than population or is negative")
start_time = time.time()
sorted_array = insertion_sort(unsorted_array)
end_time = time.time()
#Input size and its corresponding execution time is added to dictionary
execution_time[i] = end_time - start_time
print(execution_time)
plot_sorting_algorithm(execution_time)
def test_insertion_sort_str(self):
self.assertEqual(
insertion_sort(self.str_list.get_items()),
["a", "a", "b", "c", "e", "g", "p", "q", "v", "z"],
)
def test_insertion_sort_int(self):
self.assertEqual(
insertion_sort(self.int_list.get_items()),
[0, 0, 2, 3, 8, 9, 15, 60, 212, 300],
)
import random from bubblesort import bubble_sort from SelectionSort import selection_sort from InsertionSort import insertion_sort elements = random.sample(range(10000),6000) elements_1 = elements[:] elements_2 = elements[:] bubble_sort(elements) #Random Elements List selection_sort(elements_1) insertion_sort(elements_2)
from SelectionSort import selection_sort
from InsertionSort import insertion_sort
import matplotlib.pyplot as plt
import sys
sizes = [5, 10, 20, 35, 55, 80, 105, 135, 170, 210]
times = []
if sys.argv[1] == 'i':
for i in range(0, len(sizes)):
times.append(insertion_sort(sizes[i]))
else:
for i in range(0, len(sizes)):
times.append(selection_sort(sizes[i]))
for i in range(0, len(sizes)):
plt.scatter(sizes[i], times[i])
plt.show()
print("[3] - Merge Sort")
print("[4] - Quick Sort")
print("[5] - Heap Sort")
print("[6] - KruskalMST")
print("[7] - PrimMST")
print("[8] - DijkstraMST")
print("[9] - 0/1 Greedy Knapsack Problem")
print("[10]- Exit")
option = input("Option: ")
if option == '1': # Insertion Sort
numbers, filename = process_inputfile()
print("\nInsertion Sort running...")
start_time = time.time() # get initial time
numbers = insertion_sort(numbers)
print(
"\n> Insertion Sort finished with sorting time: %s seconds." %
"{0:.3f}".format(time.time() - start_time))
generate_outputfile(numbers, "insertion_sort",
filename.split("in")[0])
print(
"---------------------------------------------------------------"
)
time.sleep(2)
elif option == '2': # Selection Sort
numbers, filename = process_inputfile()