hackerrank

python_if문, for문, def문, naming규칙, range

if문 import math import os import random import re import sys if __name__ == '__main__': n = int(input().strip()) if n % 2 ==1 : print('Weird') elif n1, 2, 3, 4, 5, 6, 7, 8, 9, 10 range(start, stop, step) range(0, 20, 2) >> 0, 2, 4, 6, 8, 10, 12, 14, 16, 18 range(20, 0, -2) #step은 음수 지정 가능 >> 20, 18, 16, 14, 12, 10, 8, 6, 4, 2 range, list comprehension -> 어려움 외워!! if __name__ == '__main__': x = i..

hackerrank

hackerRank _ top earner_MAX 내가 쓴 답 SELECT months*salary AS earnings , COUNT(employee_id) AS count FROM EMPLOYEE GROUP BY 1 ORDER BY months*salary DESC LIMIT 1; 선생님 답 SELECT months*salary , COUNT(*) FROM EMPLOYEE WHERE months*salary = (SELECT MAX(months*salary) FROM EMPLOYEE) GROUP BY 1 HackerRank_Weather15 _ ROUND, 서브쿼리 SELECT ROUND(LONG_W,4) FROM STATION WHERE LAT_N = (SELECT MAX(LAT_N) FROM ST..