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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| def solution(coin, cards): | ||
| a = set(cards[:len(cards) // 3]) | ||
| b = set() | ||
| t = len(cards) + 1 | ||
| r = 1 | ||
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| for i in range(len(cards) // 3 + 1, len(cards), 2): | ||
| c1, c2 = cards[i - 1], cards[i] | ||
| b.add(c1) | ||
| b.add(c2) | ||
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| removed = False | ||
| # ํ์ฌ ๊ฐ์ง๊ณ ์๋ ์นด๋ ๋ชฉ๋ก ์ค n + 1์ด ๊ฐ๋ฅํ ๊ฒฝ์ฐ ํ์ธ | ||
| for x in list(a): | ||
| if t - x in a: | ||
| a.remove(t - x) | ||
| a.remove(x) | ||
| removed = True | ||
| break | ||
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||
| if removed: | ||
| r += 1 | ||
| continue | ||
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| # ์ฝ์ธ์ผ๋ก ๊ตํํด์ ์ป์ ์ ์๋ ์นด๋ ์ค์์ n + 1์ด ๋๋ ๊ฒฝ์ฐ๋ฅผ ์ฐพ์์ผ ํจ | ||
| # ์ฝ์ธ์ด ์์ผ๋ฏ๋ก ์ข ๋ฃ | ||
| if not coin: | ||
| break | ||
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| # `ํ์ฌ ๊ฐ๊ณ ์๋ ์นด๋ + ์ป์ ์ ์๋ ์นด๋` = n + 1์ด ๋๋ ๊ฒฝ์ฐ๋ฅผ ํ์ธ | ||
| for x in list(b): | ||
| if t - x in a: | ||
| a.remove(t - x) | ||
| b.remove(x) | ||
| removed = True | ||
| coin -= 1 | ||
| break | ||
| # ๋ง์ง๋ง ๋ฐฉ๋ฒ์ผ๋ก, ์ค์ง ๊ตํ์ผ๋ก ์ป์ ์ ์๋ ์นด๋ ๋ชฉ๋ก ์ค์์ n + 1์ด ๋๋ ๊ฒฝ์ฐ๋ฅผ ํ์ธ | ||
| if not removed and coin >= 2: | ||
| for x in list(b): | ||
| if t - x in b: | ||
| b.remove(t - x) | ||
| b.remove(x) | ||
| removed = True | ||
| coin -= 2 | ||
| break | ||
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| # n + 1์ ์ด๋ค ๊ฒฝ์ฐ์๋ ๋ชป ๋ง๋ค๋ฉด ์ข ๋ฃ | ||
| if not removed: | ||
| break | ||
| r += 1 | ||
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| return r |