We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
with cte as
(select w.id, wp.age, w.coins_needed, w.power
from wands w join wands_property wp
on w.code = wp.code
where wp.is_evil = 0
)
select id, age, coins_needed, power
from cte c1
where coins_needed = ( select min(coins_needed) from cte c2 where c1.age = c2.age and c1.power = c2.power)
order by power desc, age desc
;
Cookie support is required to access HackerRank
Seems like cookies are disabled on this browser, please enable them to open this website
Ollivander's Inventory
You are viewing a single comment's thread. Return to all comments →
OPTIMISED
with cte as (select w.id, wp.age, w.coins_needed, w.power from wands w join wands_property wp on w.code = wp.code where wp.is_evil = 0 )
select id, age, coins_needed, power from cte c1 where coins_needed = ( select min(coins_needed) from cte c2 where c1.age = c2.age and c1.power = c2.power) order by power desc, age desc ;