Create getMinPlatforms.py

Author: Amogh Singhal

getMinPlatforms.py

@@ -0,0 +1,25 @@
+def getMinPlatforms(arr, dep):
+  if len(arr) != len(dep):
+    print("Wrong inputs given...")
+    return
+  else:
+    sorted_arr = sorted(arr + dep)
+    
+    minPlatform = 0
+    trainsAtPlatform = 0
+
+    for i in sorted_arr:
+      if i in arr:
+        trainsAtPlatform += 1
+      if i in dep:
+        trainsAtPlatform -= 1
+      minPlatform = max(minPlatform, trainsAtPlatform)
+    
+    return minPlatform
+
+arrivalArr = [900, 940, 950, 1100, 1500, 1800] 
+departureArr = [910, 1200, 1120, 1130, 1900, 2000]
+
+result = getMinPlatforms(arrivalArr, departureArr)
+
+print("Minimum no. of platforms for given time table are: ", result)