weather-observation-station-19.sql

# Problem: https://www.hackerrank.com/challenges/weather-observation-station-19/problem
# Solution by Daniel Keitley. 

SELECT 
ROUND(
SQRT(POW(MAX(LAT_N) - MIN(LAT_N), 2) + 
POW(MAX(LONG_W) - MIN(LONG_W), 2)), 4)
FROM STATION;