Puzzles/POY 2005
Puzzle of the year 2005: find phrases that generate each number i.100 , making no use of
- digits other than 2 0 0 5 in sequence
- _ and __ and _. as numbers
- letters in numeric constants (e.g. 200r5 for 40 is prohibited)
- literal strings
The number of words in each phrase is to be minimized. (Word count is according to #;:y ). Where there are multiple phrases for the same number with the same number of words, phrases with fewer essential characters are preferred.
<!> Note: This page is a community effort, and one objective is to have an "interesting" puzzle. If you discover loopholes in the current rules that make the puzzle completely uninteresting, a better contribution would be to tighten the rules, rather than to fill up the page with uninteresting entries exploiting the loopholes. For example, if _ and __ as numbers were permitted, then # 2005 _ and # 2005 _ _ etc. would pretty well solve the whole thing. Now what fun would that be?
Solutions:
0 /: 2005
1 * 2005
2 2: 005
3 >. 2.005
4 # 2 0 0 5
5 {: 200 5
6 +: >. 2.005
7 2 + 005
8 A. 2 005
9 #. 2 005
10 2 ! 005
11 #. 2 0 0 _5
12 <: #. 2 00 5
13 #. 2 00 5
14 <. %: 200.5
15 20 - 05
16 +: A. 2 005
17 +: #. 2 0 0.5
18 A. \: 2 0 0 5
19 #. /: 2 0 0 5
20 {. 20 05
21 >. 20.05
22 #. |. 2 00 5
23 p: A. 2 005 also #. p: 2 005
24 ! # 2 0 0 5
25 20 + 05
26 +: #. 2 00 5
27 ^~ # 20 0 5
28 #. \: 2 0 0 5
29 p: #. 2 005
30 #. |. 20 05
31 #. I. 2 005
32 2 ^ 005
33 #. *: 2 005
34 <: #. 20 _05
35 #. 20 _05
36 -. #. _20 05 also >: #. 20 _05
37 #. p: 2 00 5
38 #. >: 20 _05
39 <: 200 % 5
40 200 % 5
41 #. *: 2 00 5
42 +: #. 2 0 0 5
43 p: #. 2 00 5
44 <. %: 2005
45 #. 20 05
46 >: #. 20 05
47 p: <. %: 200.5
48 #. >: 20 05
49 *: 2 + 005
50 2 * *:005
51 >. ! %: 20.05
52 +: +: #. 2 00 5
53 p: 2 ! _005
54 <. ^ # 2 0 0 5
55 >. ^ # 2 0 0 5
56 <: #. *: 2 0 0 5
57 #. *: 2 0 0 5
58 /:&.#: 20.05
59 {: q: >: 2005
60 -/ p: 20 05
61 ?. <: {. 200 5
62 <. o. 20.05
63 >. o. 20.05
64 *: A. 2 005
65 #. p: 2 0 0 5
66 ?. #. 200 5
67 <.o./2 00 5
68 #. <: 20 0 _5
69 #. p: p: 2 005
70 +: #. 20 _05
71 -: #. ! 2 0 0 5
72 <: {. p: 20 05
73 {. p: 20 05
74 <: #. 20 0 _5
75 #. 20 0 _5
76 ?. #. 20 0 5
77 >: ?. #. 20 0 5
78 #. <: 20 0 5
79 p: >. 20.05
80 200 - ! 5
81 *: #. 2 005
82 #. >: 20 0 _5
83 |. &. #: 200.5
84 <: #. 20 0 5
85 #. 20 0 5
86 >: #. 20 0 5
87 #. <: +: 20 05
88 +/ p: 20 0 5
89 <. +: %: 2005
90 +: #. 20 05
91 -: A. 2 0 05
92 #. >: 20 0 5
93 #. I. 2 0 0 5
94 >: #. I. 2 0 0 5
95 #. ~ _20 _05
96 ?. +: #. 20 0 _5
97 p: ! # 2 0 0 5
98 +: *: 2 + 005
99 <: 20 * 05