12 lines
368 B
Python
12 lines
368 B
Python
N, M = map(int, input().split())
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sqs = [[0] + list(map(int, input().split())) + [0] for i in range(N)]
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sqs.insert(0, list(0 for i in range(M + 2)))
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sqs.append(list(0 for i in range(M + 2)))
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total = 2 * N * M
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for i in range(N + 1):
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for j in range(M + 1):
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total += abs(sqs[i][j] - sqs[i][j + 1])
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total += abs(sqs[i][j] - sqs[i + 1][j])
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print(total)
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