Refactored codes. Domain: Python | Subdomain: NumPy

Collections/CollectionsOrderedDict.py

@@ -2,24 +2,29 @@
 Title     : Collections.OrderedDict()
 Subdomain : Collections
 Domain    : Python
-Author    : Ahmedur Rahman Shovon
+Author    : Md Samshad Rahman
 Created   : 15 July 2016
-Updated   : 08 February 2023
+Updated   : 26 November 2024
 Problem   : https://www.hackerrank.com/challenges/py-collections-ordereddict/problem
 """
 
-import collections
-import re
+from collections import OrderedDict
 
-n = int(input())
-item_od = collections.OrderedDict()
-for _ in range(n):
-    record_list = re.split(r"(\d+)$", input().strip())
-    item_name = record_list[0]
-    item_price = int(record_list[1])
-    if item_name not in item_od:
-        item_od[item_name] = item_price
-    else:
-        item_od[item_name] = item_od[item_name] + item_price
-for i in item_od:
-    print(f"{i}{item_od[i]}")
+
+if __name__ == '__main__':
+    ordered_dictionary = OrderedDict()
+
+    n = int(input())
+
+    for _ in range(n):
+        s = list(input().split())
+        price = int(s[len(s) - 1])
+        name = ' '.join(s[:len(s) - 1])
+
+        if ordered_dictionary.get(name):
+            ordered_dictionary[name] += price
+        else:
+            ordered_dictionary[name] = price
+
+    for key, value in ordered_dictionary.items():
+        print(key, value)

Collections/collectionsCounter.py

@@ -2,18 +2,28 @@
 Title     : collections.Counter()
 Subdomain : Collections
 Domain    : Python
-Author    : Ahmedur Rahman Shovon
+Author    : Md Samshad Rahman
 Created   : 15 July 2016
+Updated   : 26 November 2024
 Problem   : https://www.hackerrank.com/challenges/collections-counter/problem
 """
+import collections
+
+
+if __name__ == '__main__':
+    total_shoes = int(input())
+    shoe_sizes = list(map(int, input().split()))
+    inventory = collections.Counter(shoe_sizes)
+
+    total_customers = int(input())
+    total_revenue = 0
+
+    for _ in range(total_customers):
+        size, price = map(int, input().split())
+        if inventory.get(size) and inventory[size] > 0:
+            total_revenue += price
+            inventory[size] -= 1
+
+    print(total_revenue)
+
 
-x = int(input())
-shoe_size = list(map(int, input().split()))
-n = int(input())
-sell = 0
-for _ in range(n):
-    s, p = map(int, input().split())
-    if s in shoe_size:
-        sell = sell + p
-        shoe_size.remove(s)
-print(sell)

Numpy/ArrayMathematics.py

@@ -2,27 +2,23 @@
 Title     : Array Mathematics
 Subdomain : Numpy
 Domain    : Python
-Author    : Ahmedur Rahman Shovon
+Author    : Md Samshad Rahman
 Created   : 15 July 2016
+Updated   : 25 November 2024
 Problem   : https://www.hackerrank.com/challenges/np-array-mathematics/problem
 """
+import numpy as np
 
-import numpy
+if __name__ == '__main__':
+    n, m = map(int, input().split())
 
-n, m = map(int, input().split())
-ar1 = []
-ar2 = []
-for _ in range(n):
-    tmp = list(map(int, input().split()))
-    ar1.append(tmp)
-for _ in range(n):
-    tmp = list(map(int, input().split()))
-    ar2.append(tmp)
-np_ar1 = numpy.array(ar1)
-np_ar2 = numpy.array(ar2)
-print(np_ar1 + np_ar2)
-print(np_ar1 - np_ar2)
-print(np_ar1 * np_ar2)
-print(np_ar1 // np_ar2)
-print(np_ar1 % np_ar2)
-print(np_ar1**np_ar2)
+
+    ar1 = np.array([input().split() for _ in range(n)], int)
+    ar2 = np.array([input().split() for _ in range(n)], int)
+
+    print(ar1 + ar2)
+    print(ar1 - ar2)
+    print(ar1 * ar2)
+    print(ar1 // ar2)
+    print(ar1 % ar2)
+    print(ar1 ** ar2)

Numpy/Arrays.py

@@ -2,13 +2,18 @@
 Title     : Arrays
 Subdomain : Numpy
 Domain    : Python
-Author    : Ahmedur Rahman Shovon
+Author    : Md Samshad Rahman
 Created   : 15 July 2016
+Updated   : 25 November 2024
 Problem   : https://www.hackerrank.com/challenges/np-arrays/problem
 """
 
 import numpy
 
-ar = list(map(float, input().split()))
-np_ar = numpy.array(ar, float)
-print(np_ar[::-1])
+def arrays(arr):
+    np_ar = numpy.array(arr, float)
+    return np_ar[::-1]
+
+arr = input().strip().split(' ')
+result = arrays(arr)
+print(result)

Numpy/Concatenate.py

@@ -2,23 +2,26 @@
 Title     : Concatenate
 Subdomain : Numpy
 Domain    : Python
-Author    : Ahmedur Rahman Shovon
+Author    : Md Samshad Rahman
 Created   : 15 July 2016
+Updated   : 25 November 2024
 Problem   : https://www.hackerrank.com/challenges/np-concatenate/problem
 """
 
-import numpy
+import numpy as np
 
-n, m, p = map(int, input().split())
 
-ar1 = []
-ar2 = []
-for _ in range(n):
-    tmp = list(map(int, input().split()))
-    ar1.append(tmp)
-for _ in range(m):
-    tmp = list(map(int, input().split()))
-    ar2.append(tmp)
-np_ar1 = numpy.array(ar1)
-np_ar2 = numpy.array(ar2)
-print(numpy.concatenate((np_ar1, np_ar2), axis=0))
+if __name__ == '__main__':
+    n, m, p = map(int, input().split())
+
+    arr1 = []
+    arr2 = []
+    for _ in range(n):
+        tmp = list(map(int, input().split()))
+        arr1.append(tmp)
+    for _ in range(m):
+        tmp = list(map(int, input().split()))
+        arr2.append(tmp)
+    np_arr1 = np.array(arr1)
+    np_arr2 = np.array(arr2)
+    print(np.concatenate((np_arr1, np_arr2), axis=0))

Numpy/DotandCross.py

@@ -2,22 +2,17 @@
 Title     : Dot and Cross
 Subdomain : Numpy
 Domain    : Python
-Author    : Ahmedur Rahman Shovon
+Author    : Md Samshad Rahman
 Created   : 15 July 2016
+Updated   : 25 November 2024
 Problem   : https://www.hackerrank.com/challenges/np-dot-and-cross/problem
 """
+import numpy as np
 
-import numpy
+if __name__ == '__main__':
+    n = int(input())
 
-n = int(input())
-ar1 = []
-ar2 = []
-for _ in range(n):
-    tmp = list(map(int, input().split()))
-    ar1.append(tmp)
-np_ar1 = numpy.array(ar1)
-for _ in range(n):
-    tmp = list(map(int, input().split()))
-    ar2.append(tmp)
-np_ar2 = numpy.array(ar2)
-print(numpy.dot(np_ar1, np_ar2))
+    arr1 = np.array([input().split() for _ in range(n)], int)
+    arr2 = np.array([input().split() for _ in range(n)], int)
+
+    print(np.dot(arr1, arr2))

Numpy/EyeandIdentity.py

@@ -2,14 +2,16 @@
 Title     : Eye and Identity
 Subdomain : Numpy
 Domain    : Python
-Author    : Ahmedur Rahman Shovon
+Author    : Md Samshad Rahman
 Created   : 15 July 2016
-Updated   : 17 March 2021
+Updated   : 25 November 2024
 Problem   : https://www.hackerrank.com/challenges/np-eye-and-identity/problem
 """
 
 import numpy as np
 
-np.set_printoptions(legacy="1.13")
-n, m = map(int, input().split())
-print(np.eye(n, m, k=0))
+
+if __name__ == '__main__':
+    np.set_printoptions(legacy="1.13")
+    n, m = map(int, input().split())
+    print(np.eye(n, m, k=0))

Numpy/FloorCeilandRint.py

@@ -2,19 +2,21 @@
 Title     : Floor, Ceil and Rint
 Subdomain : Numpy
 Domain    : Python
-Author    : Ahmedur Rahman Shovon
+Author    : Md Samshad Rahman
 Created   : 15 July 2016
-Updated   : 17 March 2021
+Updated   : 25 November 2024
 Problem   : https://www.hackerrank.com/challenges/floor-ceil-and-rint/problem
 """
 
 import numpy as np
 
-np.set_printoptions(legacy="1.13")
-A = np.array(input().split(), float)
-print(np.floor(A))
-print(np.ceil(A))
-print(np.rint(A))
 
-# Alternate solution
-# print(*(f(A) for f in [np.floor, np.ceil, np.rint]), sep='\n')
+if __name__ == '__main__':
+    np.set_printoptions(legacy="1.13")
+    arr = np.array(input().split(), float)
+    print(np.floor(arr))
+    print(np.ceil(arr))
+    print(np.rint(arr))
+
+    # Alternate solution
+    # print(*(f(A) for f in [np.floor, np.ceil, np.rint]), sep='\n')

Numpy/InnerandOuter.py

@@ -2,14 +2,17 @@
 Title     : Inner and Outer
 Subdomain : Numpy
 Domain    : Python
-Author    : Ahmedur Rahman Shovon
+Author    : Md Samshad Rahman
 Created   : 15 July 2016
+Updated   : 25 November 2024
 Problem   : https://www.hackerrank.com/challenges/np-inner-and-outer/problem
 """
+import numpy as np
 
-import numpy
 
-np_ar1 = numpy.array(list(map(int, input().split())))
-np_ar2 = numpy.array(list(map(int, input().split())))
-print(numpy.inner(np_ar1, np_ar2))
-print(numpy.outer(np_ar1, np_ar2))
+if __name__ == '__main__':
+    arr1 = np.array(list(map(int, input().split())))
+    arr2 = np.array(list(map(int, input().split())))
+
+    print(np.inner(arr1, arr2))
+    print(np.outer(arr1, arr2))

Numpy/LinearAlgebra.py

@@ -2,15 +2,16 @@
 Title     : Linear Algebra
 Subdomain : Numpy
 Domain    : Python
-Author    : Ahmedur Rahman Shovon
+Author    : Md Samshad Rahman
 Created   : 15 July 2016
-Updated   : 3 April 2021
+Updated   : 25 November 2024
 Problem   : https://www.hackerrank.com/challenges/np-linear-algebra/problem
 """
-
 import numpy as np
 
-np.set_printoptions(legacy="1.13")
-n = int(input())
-array = np.array([input().split() for _ in range(n)], float)
-print(np.linalg.det(array))
+
+if __name__ == '__main__':
+    np.set_printoptions(legacy="1.13")
+    n = int(input())
+    array = np.array([input().split() for _ in range(n)], float)
+    print(np.linalg.det(array))

Numpy/MeanVarandStd.py

@@ -2,20 +2,18 @@
 Title     : Mean, Var, and Std
 Subdomain : Numpy
 Domain    : Python
-Author    : Ahmedur Rahman Shovon
+Author    : Md Samshad Rahman
 Created   : 15 July 2016
-Updated   : 24 June 2023
+Updated   : 25 November 2024
 Problem   : https://www.hackerrank.com/challenges/np-mean-var-and-std/problem
 """
+import numpy as np
 
-import numpy
 
-n, m = map(int, input().split())
-ar = []
-for _ in range(n):
-    tmp = list(map(int, input().split()))
-    ar.append(tmp)
-np_ar = numpy.array(ar)
-print(numpy.mean(np_ar, axis=1))
-print(numpy.var(np_ar, axis=0))
-print(round(numpy.std(np_ar, axis=None), 11))
+if __name__ == '__main__':
+    n, m = map(int, input().split())
+    arr = np.array([input().split() for _ in range(n)], int)
+
+    print(np.mean(arr, axis=1))
+    print(np.var(arr, axis=0))
+    print(round(np.std(arr, axis=None), 11))

Numpy/MinandMax.py

@@ -2,17 +2,16 @@
 Title     : Min and Max
 Subdomain : Numpy
 Domain    : Python
-Author    : Ahmedur Rahman Shovon
+Author    : Md Samshad Rahman
 Created   : 15 July 2016
+Updated   : 25 November 2024
 Problem   : https://www.hackerrank.com/challenges/np-min-and-max/problem
 """
+import numpy as np
 
-import numpy
 
-n, m = map(int, input().split())
-ar = []
-for _ in range(n):
-    tmp = list(map(int, input().split()))
-    ar.append(tmp)
-np_ar = numpy.array(ar)
-print(numpy.max(numpy.min(np_ar, axis=1)))
+if __name__ == '__main__':
+    n, m = map(int, input().split())
+    arr = np.array([input().split() for _ in range(n)], int)
+    result = np.max(np.min(arr, axis=1))
+    print(result)