last_person_to_fit_in_the_bus.sql

Author: stackcats

database/medium/last_person_to_fit_in_the_bus.sql

@@ -0,0 +1,10 @@
+-- Write your PostgreSQL query statement below
+SELECT person_name
+FROM (
+         SELECT person_name, turn, SUM(weight) OVER (ORDER BY turn) acc_weight
+         FROM queue
+         ORDER BY turn)
+WHERE acc_weight <= 1000
+ORDER BY turn DESC
+LIMIT 1
+