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[2020 ์นด์นด์˜ค ์ธํ„ด์‹ญ for Tech developers] ํ‚คํŒจ๋“œ ๋ˆ„๋ฅด๊ธฐ
Problem_Solving

[2020 ์นด์นด์˜ค ์ธํ„ด์‹ญ for Tech developers] ํ‚คํŒจ๋“œ ๋ˆ„๋ฅด๊ธฐ

2020. 8. 27. 17:38

์ด๋ฏธ์ง€๋ฅผ ํด๋ฆญํ•˜๋ฉด ๋ฌธ์ œ ์‚ฌ์ดํŠธ๋กœ ์ด๋™ํ•ฉ๋‹ˆ๋‹ค.


 

 

๐Ÿ’ฃ ๋ฌธ์ œ ์ดํ•ด

 

 

[1, 4, 7] ์€ ๋ฌด์กฐ๊ฑด ์™ผ์†์œผ๋กœ ํ„ฐ์น˜ํ•œ๋‹ค.

[3, 6, 9] ๋Š” ๋ฌด์กฐ๊ฑด ์˜ค๋ฅธ์†์œผ๋กœ ํ„ฐ์น˜ํ•œ๋‹ค.

๊ฐ€์šด๋ฐ์— ์œ„์น˜ํ•œ [2, 5, 8, 0] ์€ ๋” ๊ฐ€๊นŒ์šด ๊ณณ์— ์žˆ๋Š” ์†๊ฐ€๋ฝ์ด ํ„ฐ์น˜ํ•œ๋‹ค.

 

๋ฒˆํ˜ธ๋ฅผ ํ‚ค(Key) ๊ฐ’์œผ๋กœ, ํ–‰, ์—ด ๋ฒˆํ˜ธ ๋ฆฌ์ŠคํŠธ๋ฅผ ๊ฐ’(Value)์œผ๋กœ ํ•˜๋Š” ๋”•์…”๋„ˆ๋ฆฌ๋ฅผ ์„ ์–ธํ•ด๋‘๊ณ ,

ํ˜„์žฌ ๋ฒˆํ˜ธ์™€ ์–‘ ์†๊ฐ€๋ฝ์˜ ๊ฑฐ๋ฆฌ ์ฐจ์ด์˜ ์ ˆ๋Œ“๊ฐ’์„ ๋น„๊ตํ•˜์—ฌ

๋” ๊ฐ’์ด ์ž‘์€ ์†๊ฐ€๋ฝ์ด ํ„ฐ์น˜ํ•˜๋Š” ๊ฒƒ์œผ๋กœ ํ•œ๋‹ค.

 

 

 

๐Ÿ’ญ ํ’€์ด ๊ณผ์ •

 

 

์ž‘์„ฑ ์–ธ์–ด: Python3

def solution(numbers, hand):
    num_dict = {
        1: [0, 0],
        2: [0, 1],
        3: [0, 2],
        4: [1, 0],
        5: [1, 1],
        6: [1, 2],
        7: [2, 0],
        8: [2, 1],
        9: [2, 2],
        0: [3, 1]
    }
    answer = ''
    left_thmb = [3, 0]
    right_thmb = [3, 2]

    for num in numbers:
        if num in [1, 4, 7]:
            left_thmb = num_dict[num]
            answer += 'L'
        elif num in [3, 6, 9]:
            right_thmb = num_dict[num]
            answer += 'R'
        else:
            left_dist = abs(left_thmb[0] - num_dict[num][0]) + abs(left_thmb[1] - num_dict[num][1])
            right_dist = abs(right_thmb[0] - num_dict[num][0]) + abs(right_thmb[1] - num_dict[num][1])
            
            if left_dist < right_dist or (left_dist == right_dist and hand == 'left'):
                left_thmb = num_dict[num]
                answer += 'L'
            elif left_dist > right_dist or (left_dist == right_dist and hand == 'right'):
                right_thmb = num_dict[num]
                answer += 'R'
    
    return answer

 

 

 

 

๐Ÿ† ๋ฐฐ์šด ์ 

 

 

์ด ๋ฌธ์ œ๋Š” ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์—์„œ Level 1์œผ๋กœ ๋ถ„๋ฅ˜ํ•ด๋’€๋‹ค.

 

์นด์นด์˜ค ์ฝ”ํ…Œ์—์„œ๋Š” ๊ตฌํ˜„ ๋Šฅ๋ ฅ์— ํฌ์ปค์‹ฑ์„ ๋‘” ์‰ฌ์šด ๋ฌธ์ œ๋ถ€ํ„ฐ ํ’€์ดํ•˜๋Š” ์ „๋žต์„ ์ƒ๊ฐํ•ด๋‘ฌ์•ผ๊ฒ ๋‹ค.

 

(+ ํŒŒ์ด์ฌ ์งฑ์งฑ๋งจ๐Ÿ‘)

์ €์ž‘์žํ‘œ์‹œ ๋น„์˜๋ฆฌ ๋ณ€๊ฒฝ๊ธˆ์ง€ (์ƒˆ์ฐฝ์—ด๋ฆผ)

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