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83차 3번 문제 풀이 (참고)
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live8/test83/문제3/박희경.py

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def solution(lands):
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dp = lands[0]
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for i in range(1, len(lands)):
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new_dp = [0] * 4
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for j in range(4):
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# 같은 열이 아닌 요소 중 가장 큰 값과 현재 값과 더하기 (누적해서)
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new_dp[j] = lands[i][j] + max(dp[k] for k in range(4) if k != j)
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dp = new_dp
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return max(dp)

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