欧拉计划 第42题

#!/usr/bin/env python
#-*- coding:utf-8 -*-
import os
import sys
fp = open('words.txt')
words = fp.read()
fp.close()
words = words.replace('\n', '')
words = words.replace('"', '')
words = words.split(',')
#print words
num = [0 for i in xrange(27)]
hashtable = {}
for i in xrange(1, 27):
    num[i] = (1+i)*i/2
    hashtable[num[i］ = i
#print num
#print hashtable
cnt = 0
for word in words:
    s = 0
    for ch in word:
        s += (ord(ch) - ord('A') + 1)
    if hashtable.has_key(s):
        cnt += 1
print cnt
结果：162