Solution

Author: sapanz

Fair Rations/Fair_Rations.py

@@ -0,0 +1,47 @@
+#!/bin/python3
+
+import math
+import os
+import random
+import re
+import sys
+
+# Complete the fairRations function below.
+def fairRations(B):
+    suml = 0;
+    current = -1
+    paired = -1
+    distance = 0
+    total = 0;
+
+    for i in B:
+        suml += i
+        if(i % 2 == 1 and current == -1):
+            current = i
+            paired = -1
+            distance = 0
+        elif(current != -1 and i % 2 == 1):
+            paired = i
+            current = -1
+            loavesNeeded = (2 + ((distance + 1) - 1) * 2)
+            total += loavesNeeded
+        else:
+            distance += 1   
+
+    if(suml % 2 == 1):
+        return "NO"
+    else :
+        return total
+
+if __name__ == '__main__':
+    fptr = open(os.environ['OUTPUT_PATH'], 'w')
+
+    N = int(input())
+
+    B = list(map(int, input().rstrip().split()))
+
+    result = fairRations(B)
+
+    fptr.write(str(result) + '\n')
+
+    fptr.close()