1701

Author: ramtanniru

Jul-9-24.py

@@ -0,0 +1,11 @@
+class Solution:
+    def averageWaitingTime(self, customers: List[List[int]]) -> float:
+        i = 0
+        wt = 0
+        t = customers[0][0] 
+        while i<len(customers):
+            st = customers[i][0]
+            t = t+customers[i][1] if t>customers[i][0] else st+customers[i][1]
+            wt += t-st
+            i += 1
+        return wt/len(customers)