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.
select a.id, a.power, b.age, a.coins_needed
from wands a
join wands_property b on
b.code = a.code
where b.is_evil = 0
and a.coins_needed = (select min(a1.coins_needed) from wands a1
join wands_property b1
on a1.code = b1.code
where b.age = b1.age
and a.power = a1.power)
order by a.power desc, b.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 →
MySQL solution:
select a.id, a.power, b.age, a.coins_needed from wands a join wands_property b on b.code = a.code where b.is_evil = 0 and a.coins_needed = (select min(a1.coins_needed) from wands a1 join wands_property b1 on a1.code = b1.code where b.age = b1.age and a.power = a1.power) order by a.power desc, b.age desc;