generated from mwc/problemset_numberwords
64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
# numberwords.py
|
|
# --------------
|
|
# By MWC Contributors
|
|
# Functions to print out a verbal representation of an integer.
|
|
|
|
MAXIMUM = 1000000
|
|
DIGIT_NAMES = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
|
|
TWEEN_AND_TEEN_NAMES = ["ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen"]
|
|
TENS_NAMES = ["", "ten", "twenty", "thirty", "forty", "fifty", "sixty", "seventy", "eighty", "ninety"]
|
|
|
|
def check_number_in_range(number, minimum, maximum):
|
|
if minimum < number & number < maximum:
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def int_under_1000000_to_str(number):
|
|
thousands, hundreds = divide_with_remainder(number, 1000)
|
|
if number < 1000:
|
|
return int_under_1000_to_str(number)
|
|
elif number % 1000 == 0:
|
|
return int_under_1000_to_str(thousands) + " thousand"
|
|
else:
|
|
name = int_under_1000_to_str(thousands) + " thousand, " + int_under_1000_to_str(hundreds)
|
|
return name
|
|
|
|
def int_under_1000_to_str(number):
|
|
hundreds, tens = divide_with_remainder(number, 100)
|
|
if number < 100:
|
|
return int_under_100_to_str(number)
|
|
elif number % 100 == 0:
|
|
return DIGIT_NAMES[hundreds] + " hundred"
|
|
else:
|
|
return DIGIT_NAMES[hundreds] + " hundred and " + int_under_100_to_str(tens)
|
|
|
|
|
|
|
|
def int_under_100_to_str(number):
|
|
tens, ones = divide_with_remainder(number, 10)
|
|
if number < 20:
|
|
return int_under_20_to_str(number)
|
|
elif number % 10 != 0:
|
|
return TENS_NAMES[tens] + "-" + DIGIT_NAMES[ones]
|
|
else:
|
|
return TENS_NAMES[tens]
|
|
|
|
def int_under_20_to_str(number):
|
|
tens, ones = divide_with_remainder(number, 10)
|
|
if number < 10:
|
|
return int_under_10_to_str(number)
|
|
else:
|
|
return TWEEN_AND_TEEN_NAMES[ones]
|
|
|
|
def int_under_10_to_str(number):
|
|
return DIGIT_NAMES[number]
|
|
|
|
def divide_with_remainder(dividend, divisor):
|
|
"""Divides one number by another, using whole-number division.
|
|
Returns the quotient and the remainder.
|
|
"""
|
|
quotient = dividend // divisor
|
|
remainder = dividend % divisor
|
|
return quotient, remainder
|