50 lines
1.3 KiB
Python
50 lines
1.3 KiB
Python
a = [[75],
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[95, 64],
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[17, 47, 82],
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[18, 35, 87, 10],
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[20, 4, 82, 47, 65],
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[19, 1, 23, 75, 3, 34],
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[88, 2, 77, 73, 7, 63, 67],
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[99, 65, 4, 28, 6, 16, 70, 92],
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[41, 41, 26, 56, 83, 40, 80, 70, 33],
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[41, 48, 72, 33, 47, 32, 37, 16, 94, 29],
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[53, 71, 44, 65, 25, 43, 91, 52, 97, 51, 14],
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[70, 11, 33, 28, 77, 73, 17, 78, 39, 68, 17, 57],
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[91, 71, 52, 38, 17, 14, 91, 43, 58, 50, 27, 29, 48],
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[63, 66, 4, 68, 89, 53, 67, 30, 73, 16, 69, 87, 40, 31],
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[4, 62, 98, 27, 23, 9, 70, 98, 73, 93, 38, 53, 60, 4, 23]]
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path = a[-1][:]
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for i in xrange(len(a) - 2, 0, -1):
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newpath = []
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for j in xrange(i + 1):
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better = max(path[j], path[j + 1])
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newpath.append(a[i][j] + better)
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path = newpath
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print max(path) + a[0][0]
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'''
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path = [[a[0][0], [a[0][0]]]]
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for i in xrange(1, len(a)):
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newpath = []
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tmp = path[0][1][:]
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tmp.append(a[i][0])
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newpath.append([path[0][0] + a[i][0], tmp])
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for j in xrange(1, i):
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flag = (path[j - 1][0] > path[j][0]) and -1 or 0
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tmp = path[j + flag][1][:]
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tmp.append(a[i][j])
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newpath.append([path[j + flag][0] + a[i][j], tmp])
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tmp = path[i - 1][1][:]
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tmp.append(a[i][i])
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newpath.append([path[i - 1][0] + a[i][i], tmp])
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path = newpath
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maxx = [0, 0]
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for i in path:
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if i[0] > maxx[0]:
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maxx = i
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print maxx
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''' |