message: Update the-number-of-passengers-in-each-bus-ii.sql
diff: # Time: O(p * b + blogb)
  -# Space: O(P * b)
  +# Space: O(p * b)
  WITH arrival_time_cte AS
  (
  @@ -11,7 +11,8 @@ WITH arrival_time_cte AS
  ORDER BY arrival_time
  )
  -SELECT bus_id, passengers_cnt FROM
  +SELECT bus_id, passengers_cnt
  +FROM
  (
  SELECT bus_id, capacity, prefix_sum,
  @passengers_cnt := LEAST(capacity, prefix_sum-@accum) as passengers_cnt,
  