1 files changed, 64 insertions, 0 deletions
diff --git a/comparison/Python/msort-260000.py b/comparison/Python/msort-260000.py
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+++ b/comparison/Python/msort-260000.py
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+# Python program for implementation of MergeSort
+# https://www.geeksforgeeks.org/merge-sort/
+import random
+
+def mergeSort(arr):
+    if len(arr) > 1:
+ 
+         # Finding the mid of the array
+        mid = len(arr)//2
+ 
+        # Dividing the array elements
+        L = arr[:mid]
+ 
+        # into 2 halves
+        R = arr[mid:]
+ 
+        # Sorting the first half
+        mergeSort(L)
+ 
+        # Sorting the second half
+        mergeSort(R)
+ 
+        i = j = k = 0
+ 
+        # Copy data to temp arrays L[] and R[]
+        while i < len(L) and j < len(R):
+            if L[i] < R[j]:
+                arr[k] = L[i]
+                i += 1
+            else:
+                arr[k] = R[j]
+                j += 1
+            k += 1
+ 
+        # Checking if any element was left
+        while i < len(L):
+            arr[k] = L[i]
+            i += 1
+            k += 1
+ 
+        while j < len(R):
+            arr[k] = R[j]
+            j += 1
+            k += 1
+
+
+def mkRandList ( n ):
+    a=[]
+    for i in range(1,n+1):
+        a.insert(0, random.randint(0,10000))
+    return a
+
+
+def validation(alist):
+    for i in range(len(alist)-1):
+        if (alist[i] > alist[i+1]):
+            return False
+
+    return True
+
+
+a = mkRandList(260000)
+mergeSort(a)
+print(validation(a))