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[BOJ] #11727. 2xn 타일링 2 / 실버3 / 43분 / 힌트, 성공
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import sys
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input = sys.stdin.readline
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# 입력 받기
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n = int(input())
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# DP 배열 초기화
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dp = [0] * (n+1)
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dp[1] = 1
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# 초기값 설정
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if n >= 2:
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dp[2] = 3
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# 점화식을 이용해 계산
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for i in range(3, n+1):
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dp[i] = (dp[i-1] + 2 * dp[i-2]) % 10007
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# 결과 출력
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print(dp[n])

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