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WHITESPACE
list of classical problems
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ID
NAME
CODE
USERS
ACC %
6951
MP3 Player
CTOI10D1
34
27.92
6956
IOI2009 Mecho
CTOI09_1
165
18.28
6957
Partial Palindrome
PARTPAL
3
7.69
6977
Odd Independent Sets
INDEPCNT
13
55.56
6978
Check 1324
PERMPATT
97
22.82
6981
The Least Number
RNDORDER
21
30.93
6985
Rearranging Digits
ARRANGE2
54
26.02
6986
Summing Slopes
SUMSLOPE
60
35.21
6988
Beer Machines
STJEPAN
33
18.74
6999
Avoiding SOS Grids
AVOIDSOS
65
10.37
7001
Visible Lattice Points
VLATTICE
542
29.68
7002
Buildings
BUILDING
76
37.27
7010
Police Business
ACAB
6
30.36
7015
Party
CFPARTY
1044
50.91
7019
Zig-Zag rabbit
ZIGZAG
590
36.89
7022
Cow Patterns
CPATTERN
121
25.36
7023
Cookies
KOLACI
19
35.64
7025
Roads in Berland
CT25C
126
32.61
7034
Crashing Robots
CROBOTS
162
46.84
7035
The Embarrassed Cryptographer
CRYPTON
341
31.65
7050
Necklace Decomposition
NECKDEC
44
59.79
7099
Advanced Edit Distance
ADVEDIST
408
31.97
7100
Back To The Polygon
BACKTPOL
82
34.06
7101
Charly And Nito
CANDN
310
37.02
7102
Doing The Word Wrap
DTWW
172
38.04
7103
Edit Distance
EDDIST
71
18.60
7104
Feanor The Elf
FTHEELF
724
40.02
7107
G Key
GK
83
43.69
7108
Heptadecimal Numbers
HEPNUM
1225
35.58
7109
Indicator of progression
INDIPROG
324
23.87
7132
Headshot
HEADSHOT
1397
37.27
7133
Garden 2005
IOIGARD
67
23.03
7150
Palindrome 2000
IOIPALIN
3246
27.38
7152
Boundary 2003
IOIBOUND
18
14.50
7155
Test
CF25E
404
18.86
7168
Termites strike back
TERMITES
9
31.58
7169
Pizza
EGYPIZZA
6424
29.98
7184
Axis of Symmetry
AXIS
68
18.60
7185
Bye Bye Cakes
BYECAKES
3662
38.64
7186
Counting Pascal
COUNTPAS
125
29.11
7187
Dinosaur Menace
DINOSM
181
8.75
7188
Escape from Jail
ESJAIL
622
30.96
7189
Falta Envido
FALTAENV
179
37.31
7190
Guess the Number
GUESSTHE
2231
33.34
7191
Hexagonal Board
HEXBOARD
541
62.11
7192
Integral Maximization
INTEGMAX
370
38.13
7193
The Pharaoh Curse
CURSE
16
25.00
7208
Black or White
BORW
1473
42.28
7209
Closest Triplet
CLOSEST
325
29.48
7210
Draw Mountains
DRAWM
331
43.93
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