-
Notifications
You must be signed in to change notification settings - Fork 0
/
english_number.rb
123 lines (103 loc) · 2.52 KB
/
english_number.rb
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
#English Number
def english_number number
if number < 0
return "Please enter a positive number!"
end
if number == 0
return 'zero'
end
num_string = ''
ones_place = ['one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine']
tens_place = ['ten', 'twenty', 'thirty', 'forty', 'fifty', 'sixty', 'seventy', 'eighty', 'ninety']
teenagers = ['eleven', 'twelve', 'thirteen', 'fourteen', 'fifteen', 'sixteen', 'seventeen', 'eighteen', 'nineteen']
left = number
# Tillions
write = left/1000000000000
left = left - write*1000000000000
if write > 0
trillions = english_number write
num_string = num_string + trillions + ' trillion'
if left > 0
num_string = num_string + ' '
end
end
# Billions
write = left/1000000000
left = left - write*1000000000
if write > 0
billions = english_number write
num_string = num_string + billions + ' billion'
if left > 0
num_string = num_string + ' '
end
end
# Millions
write = left/1000000
left = left - write*1000000
if write > 0
millions = english_number write
num_string = num_string + millions + ' million'
if left > 0
num_string = num_string + ' '
end
end
# Thousands
write = left/1000
left = left - write*1000
if write > 0
thousands = english_number write
num_string = num_string + thousands + ' thousand'
if left > 0
num_string = num_string + ' '
end
end
# Hundreds
write = left/100
left = left - write*100
if write > 0
hundreds = english_number write
num_string = num_string + hundreds + ' hundred'
if left > 0
num_string = num_string + ' '
end
end
# Tens
write = left/10
left = left - write*10
if write > 0
if ((write == 1) and (left > 0))
num_string = num_string + teenagers[left-1]
left = 0
else
num_string = num_string + tens_place[write-1]
end
if left > 0
num_string = num_string + '-'
end
end
# Ones
write = left
left = 0
if write > 0
num_string = num_string + ones_place[write-1]
end
num_string
end
# Some Tests
puts english_number( 0)
puts english_number( 9)
puts english_number( 10)
puts english_number( 11)
puts english_number( 17)
puts english_number( 32)
puts english_number( 88)
puts english_number( 99)
puts english_number(100)
puts english_number(101)
puts english_number(234)
puts english_number(3211)
puts english_number(17000)
puts english_number(52342)
puts english_number(999999)
puts english_number (134581792)
puts english_number(1000000000000)