๐Ÿ‘ฉ๐Ÿป‍๐Ÿ’ป ๊ฐ“์ƒ ์ง์žฅ์ธ ๋‚จ๋ฐ”์˜ค
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https://softeer.ai/practice/info.do?idx=1&eid=413&sw_prbl_sbms_sn=204316 

 

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์—ฐ์Šต๋ฌธ์ œ๋ฅผ ๋‹ด์„ Set์„ ์„ ํƒํ•ด์ฃผ์„ธ์š”. ์ทจ์†Œ ํ™•์ธ

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๋ฌธ์ œ ํ•ด๊ฒฐ

๋ฐ˜๋ณต์„ ํ•œ ๋ฒˆ ํ•  ๋•Œ๋งˆ๋‹ค ์ ์ด ๋Š˜์–ด๋‚˜๋Š” ๊ทœ์น™์„ ์ฐพ์œผ๋ฉด ๋˜๋Š” ๋ฌธ์ œ

iter(0) = 2 

iter(1) = 3

iter(2) = 5 ์ด๊ธฐ ๋•Œ๋ฌธ์—

iter(N) = 2 * iter(N-1) - 1

๋”ฐ๋ผ์„œ ์ด ๋•Œ ์ ์˜ ๊ฐœ์ˆ˜๋Š” iter(N)**2 !

์ฝ”๋“œ

import sys
input = sys.stdin.readline

N = int(input())
point = []
point.append(2)

for i in range(1,N+1):
    point.append(2*point[i-1]-1)

print(point[N]**2)

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๐Ÿ‘ฉ๐Ÿป‍๐Ÿ’ป ๊ฐ“์ƒ ์ง์žฅ์ธ ๋‚จ๋ฐ”์˜ค

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