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2025-09-05
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WHITESPACE
list of classical problems
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ID
NAME
CODE
USERS
ACC %
6709
Multiplying by Rotation
MBR
92
51.94
6711
Transform a Sequence
BLOCK
41
30.94
6717
Two Paths
TWOPATHS
231
17.81
6720
Paper Fold
PFOLD
19
12.21
6726
Goldbach graphs
GOLDG
35
57.14
6731
Coeficientes
COEF
1260
50.09
6732
Camels
CT14E
88
37.93
6738
Nice Quadrangles
CHEFMAY
180
40.97
6767
Sequence Function
SEQFUN
14
18.52
6772
Happy Coins
HC
2457
55.25
6773
Dinostratus Numbers
DINONUM
95
18.13
6779
Can you answer these queries VII
GSS7
1448
19.41
6803
Absurd prices
ABSURD
388
23.82
6804
Cheating or Not
CHEATING
19
15.38
6805
Counter attack
CATTACK
177
60.98
6818
Capital City
CAPCITY
2963
39.51
6823
Seller Bob
CFJUN21
73
21.72
6824
Flag
CTFLAG
78
24.84
6825
Field Plan
FPLAN
105
30.22
6826
Hacking
HACKING
129
14.00
6827
Last Minute Construction
LMCONSTR
24
17.36
6828
Lineup
LINEUP
704
32.08
6829
Polynomial
POLYNOM
194
30.39
6830
Soccer Bets
SBETS
1600
51.20
6831
Two Ball Game
TBGAME
66
28.12
6832
To Score or not to score
TOSCORE
46
29.01
6851
Fence
CT10R3B
43
24.40
6852
Fish
CT16E
185
30.37
6860
Asistent
ASISTENT
25
13.45
6885
Wonkas Oompa-Impa Dilemma
WONKA1
16
22.22
6893
Power Sums
PWSUM
107
57.01
6895
Maximum Edge of Powers of Permutation
MEPPERM
12
21.39
6906
Raining Parabolas
RPAR
257
21.65
6917
Catch Sheep
XYYHHTT
40
25.41
6926
Tree game
CT23E
57
9.70
6949
PIN
CTOI10D2
145
28.30
6950
A HUGE TOWER
CTOI10D3
131
48.34
6951
MP3 Player
CTOI10D1
42
28.57
6956
IOI2009 Mecho
CTOI09_1
167
18.36
6957
Partial Palindrome
PARTPAL
3
5.00
6977
Odd Independent Sets
INDEPCNT
17
51.28
6978
Check 1324
PERMPATT
101
23.08
6981
The Least Number
RNDORDER
23
24.43
6985
Rearranging Digits
ARRANGE2
56
22.53
6986
Summing Slopes
SUMSLOPE
61
28.79
6988
Beer Machines
STJEPAN
33
17.36
6999
Avoiding SOS Grids
AVOIDSOS
69
10.71
7001
Visible Lattice Points
VLATTICE
563
30.21
7002
Buildings
BUILDING
81
37.90
7010
Police Business
ACAB
6
25.00
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