euler/e017.py
Correl Roush 7c96dade88 Problem 17
git-svn-id: file:///srv/svn/euler@42 e5f4c3ec-3c0c-11df-b522-21efaa4426b5
2010-04-12 15:53:20 +00:00

61 lines
1.1 KiB
Python

NUMBERS = [
'',
'one',
'two',
'three',
'four',
'five',
'six',
'seven',
'eight',
'nine'
]
TENS = [
'n/a',
'n/a',
'twenty',
'thirty',
'forty',
'fifty',
'sixty',
'seventy',
'eighty',
'ninety'
]
TEENS = [
'ten',
'eleven',
'twelve',
'thirteen',
'fourteen',
'fifteen',
'sixteen',
'seventeen',
'eighteen',
'nineteen'
]
def format(n):
s = []
if n // 1000:
s.append(NUMBERS[n // 1000] + ' thousand')
n = n % 1000
if n // 100:
s.append(NUMBERS[n // 100] + ' hundred')
nn = n % 100
if n // 100 and nn:
s.append('and')
if nn // 10:
if nn < 20:
s.append(TEENS[nn % 10])
else:
s.append(TENS[nn // 10] + ('-' + NUMBERS[nn % 10] if nn % 10 else ''))
else:
s.append(NUMBERS[nn % 10])
return ' '.join(s)
if __name__ == '__main__':
chars = []
for i in range(1, 1001):
chars = chars + list(format(i).replace(' ', '').replace('-', ''))
print 'Chars:', len(chars)