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๊ด€๋ฆฌ ๋ฉ”๋‰ด

Data Science LAB

[Python] ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต level1 (2016๋…„) ๋ณธ๋ฌธ

๐Ÿ“ Coding Test/Programmers

[Python] ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต level1 (2016๋…„)

ใ…… ใ…œ ใ…” ใ…‡ 2022. 10. 22. 13:22
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1. ๋ฌธ์ œ ์„ค๋ช…

2016๋…„ 1์›” 1์ผ์€ ๊ธˆ์š”์ผ์ž…๋‹ˆ๋‹ค. 2016๋…„ a์›” b์ผ์€ ๋ฌด์Šจ ์š”์ผ์ผ๊นŒ์š”? ๋‘ ์ˆ˜ a ,b๋ฅผ ์ž…๋ ฅ๋ฐ›์•„ 2016๋…„ a์›” b์ผ์ด ๋ฌด์Šจ ์š”์ผ์ธ์ง€ ๋ฆฌํ„ดํ•˜๋Š” ํ•จ์ˆ˜, solution์„ ์™„์„ฑํ•˜์„ธ์š”. ์š”์ผ์˜ ์ด๋ฆ„์€ ์ผ์š”์ผ๋ถ€ํ„ฐ ํ† ์š”์ผ๊นŒ์ง€ ๊ฐ๊ฐ SUN,MON,TUE,WED,THU,FRI,SAT ์ž…๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด a=5, b=24๋ผ๋ฉด 5์›” 24์ผ์€ ํ™”์š”์ผ์ด๋ฏ€๋กœ ๋ฌธ์ž์—ด "TUE"๋ฅผ ๋ฐ˜ํ™˜ํ•˜์„ธ์š”.

 

 

 

 

 

2. ์ œํ•œ ์กฐ๊ฑด

 

 

 

 

 

 

3. ๋‚ด ํ’€์ด 

from datetime import datetime, date
def solution(a, b):
    a = datetime.strptime('2016' +'-'+str(a)+'-'+str(b) ,'%Y-%m-%d')
    days = ['MON', 'TUE', 'WED', 'THU', 'FRI', 'SAT', 'SUN']
    day = a.weekday()
    return days[day]

์ž…๋ ฅ๋ฐ›์€ ์ˆซ์ž a, b ์•ž์— 2016๋…„์„ ์ถ”๊ฐ€ํ•˜์—ฌ ๋‚ ์งœ ๋ฐ์ดํ„ฐ ํ˜•ํƒœ๋กœ ๋ฐ˜ํ™˜ (strptimeํ•จ์ˆ˜ ์‚ฌ์šฉ)

 

 

 

4. ๋‹ค๋ฅธ ์‚ฌ๋žŒ ํ’€์ด

def getDayName(a,b):
    months = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
    days = ['FRI', 'SAT', 'SUN', 'MON', 'TUE', 'WED', 'THU']
    return days[(sum(months[:a-1])+b-1)%7]

month๋„ ๋ฆฌ์ŠคํŠธ ํ˜•์‹์œผ๋กœ ์ž…๋ ฅํ•˜์—ฌ ๋ฐ˜ํ™˜

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