Created
April 18, 2012 13:34
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Project Euler #42
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| from math import sqrt | |
| def istriangle(n): | |
| return (sqrt(8 * n + 1) - 1) / 2 % 1 == 0 | |
| words = open('words.txt').readline().replace('"', '').split(',') | |
| print sum(1 for _ in (filter(lambda x: istriangle(x), | |
| (sum(ord(c) - ord('A') + 1 for c in w) | |
| for w in words)))) |
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