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list of classical problems
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ID
NAME
CODE
USERS
ACC %
3723
Snooker
SNOOKER
459
50.51
3749
Subset Sums
SUBSUMS
4224
26.66
3752
JEDNAKOST
JEDNAKOS
601
18.45
3763
George
GEORGE
528
52.53
3791
Street
STREET
669
51.43
3898
Even Palindrome
PALDR
251
10.23
3946
K-th Number
MKTHNUM
5820
35.38
3953
Paid Roads
MMINPAID
261
27.57
3961
Journey with Pigs
MJOURNEY
133
41.31
3962
ELEVATOR II
MELE2
101
43.31
3977
Police Query
POLQUERY
302
17.37
4070
Two Professors
TWOPROF
104
14.10
4103
Extend to Palindrome
EPALIN
2588
30.59
4110
Fast Maximum Flow
FASTFLOW
3055
34.28
4155
OTOCI
OTOCI
512
45.42
4166
Four colors
HS08FOUR
104
22.01
4168
Square-free integers
SQFREE
787
46.25
4172
Multiplicative digital root
DROOT
77
24.16
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
4201
Coder Ratings
RATING
1397
35.83
4206
Fast Maximum Matching
MATCHING
2089
29.46
4350
GiĆ” trị lớn nhất 3
QMAX3VN
419
23.50
4421
Irreducible polynomials over GF2
GF2
64
18.04
4458
Rainbow
RAINBOW2
38
19.53
4487
Can you answer these queries VI
GSS6
1365
23.61
4523
Binomial Coefficients
UCI2009B
210
41.58
4525
Digger Octaves
UCI2009D
391
35.55
4528
Frog Wrestling
FROGS
69
37.50
4666
Wireless
WIRELESS
128
37.02
4828
ZSequence
ZSEQ
53
18.02
5163
Tower of Vientiane
VIENTIAN
105
34.94
5446
Fishing Net
FISHNET
176
31.96
5449
Seinfeld
ANARC09A
9559
40.06
5453
Air Strike
ANARC09F
178
23.78
5566
Math with Bases
BSMATH2
15
10.78
5917
Factorial length
LENGFACT
3478
34.57
6168
Building Bridges
BRIDGE
1665
25.98
6230
Dictionary order
GSP1
6
9.30
6236
Matches
FERT21_0
458
22.10
6256
Inversion Count
INVCNT
18090
32.04
6264
Rank of a Fraction
FNRANK
132
31.92
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