g0601_0700.s0601_human_traffic_of_stadium.script.sql Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of leetcode-in-java Show documentation

Java-based LeetCode algorithm problem solutions, regularly updated

There is a newer version: 1.39

# Write your MySQL query statement below
# #Hard #Database #2022_03_21_Time_328_ms_(62.41%)_Space_0B_(100.00%)
select id, visit_date, people
from 
(select 

id, visit_date, people, 
 lead(people, 1) over ( order by id) as 1_next, 
 lead(people, 2) over ( order by id) as 2_next,
 lag(people, 1) over ( order by id) as 1_prev,
 lag(people, 2) over ( order by id) as 2_prev

from Stadium
) a

where (people >= 100) and

(
    (1_next >= 100 and 2_next >=100) or
    (1_prev >= 100 and 2_prev >=100) or
    (1_prev >= 100 and 1_next >=100)
)