44 lines
930 B
Python
44 lines
930 B
Python
a = []
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ff = open('triangle.txt', 'r')
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for i in ff.readlines():
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tmp = i.split(' ')
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for j in xrange(len(tmp)):
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tmp[j] = int(tmp[j])
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a.append(tmp)
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ff.close()
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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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''' |