λ¬Έμ
https://www.acmicpc.net/problem/11727
11727λ²: 2×n νμΌλ§ 2
2×n μ§μ¬κ°νμ 1×2, 2×1κ³Ό 2×2 νμΌλ‘ μ±μ°λ λ°©λ²μ μλ₯Ό ꡬνλ νλ‘κ·Έλ¨μ μμ±νμμ€. μλ κ·Έλ¦Όμ 2×17 μ§μ¬κ°νμ μ±μ΄ νκ°μ§ μμ΄λ€.
www.acmicpc.net
νμ΄
import sys
input = sys.stdin.readline
n = int(input())
dp = [0] * 1001
# μ΄κΈ°κ° μ§μ
dp[0] = 1
dp[1] = 1
# μ νμμ λ°λ₯Έ κ²½μ°μ μ κ³μ°
for i in range(2, n+1):
dp[i] = dp[i-1] + 2 * dp[i-2]
print(dp[n]%10007)
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