learn-python/mergesort.py

49 wiersze
869 B
Python

def mergeSort(array):
if len(array) > 1:
r = len(array)//2
L = array[:r]
M = array[r:]
mergeSort(L)
mergeSort(M)
i = j = k = 0
while i < len(L) and j < len(M):
if L[i] < M[j]:
array[k] = L[i]
i += 1
else:
array[k] = M[j]
j += 1
k += 1
while i < len(L):
array[k] = L[i]
i += 1
k += 1
while j < len(M):
array[k] = M[j]
j += 1
k += 1
def printList(array):
for i in range(len(array)):
print(array[i], end=" ")
print()
if __name__ == '__main__':
array = list(map(int,input("please input the elements: ").split()))
mergeSort(array)
print("Sorted array is: ")
printList(array)