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time:
2025-09-04
05 : 22 : 42
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WHITESPACE
list of classical problems
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ID
NAME
CODE
USERS
ACC %
1
Life, the Universe, and Everything
TEST
223287
33.17
12
The Game of Master-Mind
MMIND
793
44.16
13
Hotline
HOTLINE
214
16.07
14
I-Keyboard
IKEYB
1310
42.74
15
The Shortest Path
SHPATH
7719
24.07
24
Small factorials
FCTRL2
51389
29.64
25
Pouring water
POUR1
5578
24.41
31
Fast Multiplication
MUL
9042
20.71
32
A Needle in the Haystack
NHAY
11375
38.37
34
Run Away
RUNAWAY
538
22.39
35
Equipment Box
EQBOX
1329
14.46
36
Secret Code
CODE1
553
35.34
37
The Proper Key
PROPKEY
142
13.93
38
Labyrinth
LABYR1
5361
25.82
39
Piggy-Bank
PIGBANK
8247
35.53
40
Lifting the Stone
STONE
1651
23.80
41
Play on Words
WORDS1
3311
19.60
42
Adding Reversed Numbers
ADDREV
87905
48.68
43
Copying Books
BOOKS1
2849
25.81
44
Substitution Cipher
SCYPHER
339
13.79
47
Skyscraper Floors
SCRAPER
295
12.70
49
Hares and Foxes
HAREFOX
118
7.82
50
Invitation Cards
INCARDS
1780
43.11
51
Fake tournament
TOUR
1818
26.95
55
Jasiek
JASIEK
479
28.44
56
Dyzio
DYZIO
1225
31.47
57
Supernumbers in a permutation
SUPPER
1110
33.01
58
Crime at Piccadily Circus
PICAD
651
14.03
60
The Gordian Dance
DANCE
237
40.09
63
Square Brackets
SQRBR
3887
56.74
64
Permutations
PERMUT1
4410
52.18
65
Ball
BALL1
159
35.03
66
Cross-country
CRSCNTRY
4115
64.54
67
Cutting out
CUTOUT
303
40.85
68
Expression
EXPR1
168
28.55
69
Moulds
MOULDS
136
34.99
70
Relations
RELATS1
254
28.80
83
Bundling
BUNDLE
57
34.04
84
Shortcut
SHORTCUT
237
31.56
86
November Rain
RAIN1
301
17.60
87
Football
FOOTBALL
67
19.69
89
Hang or not to hang
HANGLET
66
15.60
90
Minimizing maximizer
MINIMAX
389
24.84
91
Two squares or not two squares
TWOSQRS
6096
24.70
92
Cutting off Squares
CUTSQRS
266
40.31
96
Shopping
SHOP
3099
44.18
97
Party Schedule
PARTY
8956
36.23
98
Dance Floor
DFLOOR
727
40.34
99
Bus
BUS
188
22.24
100
Tower of Babylon
BABTWR
3107
50.61
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