more excercises

Author: Fr4nc3

Diff for: hackrank/arrayOrder.py

@@ -0,0 +1,21 @@
+def isOrder(a):
+    b =[]
+    n = len(a)
+    for i in range(n):
+        if len(a)>0:
+            b.append(a.pop(0))
+        if len(a)>0:
+            b.append(a.pop(-1))
+    flag = True
+    print(b)
+    for i in range(n-1):
+        if b[i] > b[i + 1]:
+            flag = False
+            break
+    print(flag)
+        
+
+
+c = [1, 3, 5, 6, 4, 2]
+isOrder(c)
+isOrder([1, 4, 5, 6, 3])

Diff for: hackrank/minmaxsum.py

@@ -0,0 +1,32 @@
+#!/bin/python3
+
+import math
+import os
+import random
+import re
+import sys
+
+#
+# Complete the 'miniMaxSum' function below.
+#
+# The function accepts INTEGER_ARRAY arr as parameter.
+#
+
+def miniMaxSum(arr):
+    # Write your code here
+    array_sum = sum(arr)
+    minNum = math.inf
+    maxNum = -math.inf
+    for i in arr:
+        temp = array_sum-i
+        minNum = min(temp, minNum)
+        maxNum = max(temp, maxNum)
+    
+    print (minNum, maxNum)
+    
+
+if __name__ == '__main__':
+
+    arr = list(map(int, input().rstrip().split()))
+
+    miniMaxSum(arr)

Diff for: hackrank/plusminus.py

@@ -0,0 +1,37 @@
+#!/bin/python3
+
+import math
+import os
+import random
+import re
+import sys
+
+#
+# Complete the 'plusMinus' function below.
+#
+# The function accepts INTEGER_ARRAY arr as parameter.
+#
+
+def plusMinus(arr):
+    # Write your code here
+    plus = 0
+    minus = 0
+    zero = 0
+    n = len(arr)
+    for i in arr:
+        if i >0:
+            plus+=1
+        elif i <0:
+            minus+=1
+        else:
+            zero+=1
+    print("{:.6f}".format(plus/n))
+    print("{:.6f}".format(minus/n))
+    print("{:.6f}".format(zero/n))
+
+if __name__ == '__main__':
+    n = int(input().strip())
+
+    arr = list(map(int, input().rstrip().split()))
+
+    plusMinus(arr)