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2025-09-06
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WHITESPACE
list of classical problems
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ID
NAME
CODE
USERS
ACC %
4003
Subway planning
SUBWAYPL
43
18.68
4004
Exploding CPU
CPU
146
46.49
4033
Phone List
PHONELST
7332
31.82
4036
Cuckoo Hashing
CUCKOO
152
27.39
4060
A game with probability
KPGAME
210
22.15
4061
Polygon
MPOLY
215
31.41
4069
Morphing is Fun
MORPH
29
16.07
4097
Locomotive
MTRAIN
35
38.30
4103
Extend to Palindrome
EPALIN
2588
30.59
4110
Fast Maximum Flow
FASTFLOW
3057
34.28
4142
Ellipse
ELLIPSE
21
9.46
4157
Domino
DOMINO2
56
49.80
4160
A1 Road
MA1
89
50.90
4164
A conjecture of Paul Erdős
HS08PAUL
2680
43.76
4166
Four colors
HS08FOUR
104
22.01
4168
Square-free integers
SQFREE
787
46.25
4176
A Knightly Pursuit
KPURSUIT
67
29.28
4177
Herding
HERDING
2730
35.22
4179
Temptation Island
TEMPTISL
655
45.09
4182
Candy (Again)
FCANDY
236
18.78
4185
Cube
CCCCUBE
57
35.57
4186
Break a New RSA system
HS08CODE
138
34.12
4188
Amazing equality
HS08EQ
42
13.88
4189
Landing
LANDING
8
4.08
4197
Dominoes
DOMINOES
125
23.08
4198
Lego
LEGO
195
25.40
4200
Hamster flight
HAMSTER1
1160
45.54
4201
Coder Ratings
RATING
1397
35.83
4202
Brackets Parade
BRPAR
238
45.03
4204
Showstopper
MSE07E
89
22.45
4206
Fast Maximum Matching
MATCHING
2089
29.46
4225
Payment System
MSE06E
31
61.90
4227
"Shortest" pair of paths
MSE06I
214
41.11
4235
Wandering Queen
QUEEN
867
14.97
4273
Train TimeTable
TTTABLE
426
34.14
4278
Battlefield
FIELD
8
38.89
4300
Rectangles
AE00
27064
49.75
4302
(K,N)-Knight
AE2B
315
25.20
4303
Dice
AE2A
929
15.72
4305
Drilling
AE3A
121
20.15
4306
The way to Bytemountain
AE4B
34
41.30
4307
Stamps
AE4A
33
41.94
4308
Byteantean towns
AE5B1
58
24.65
4310
Permutacja
AE5B2
170
38.96
4311
Quasi-template
AE5A2
62
34.52
4324
The fate of the pineapple
EVERLAST
46
28.98
4329
Counting K-Rectangle
KRECT
389
30.05
4343
Empty Boxes
EBOXES
3582
65.99
4350
Giá trị lớn nhất 3
QMAX3VN
419
23.50
4354
Snowflakes
TWINSNOW
865
25.57
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