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WHITESPACE
list of classical problems
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ID
NAME
CODE
USERS
ACC %
7322
Prime Pattern
CHEFJUN
94
36.31
7323
Happy Days
CHEFJUL
46
48.08
7333
Shuffle Music
SHUFFLEN
7
27.27
7337
Shuffling
SHUFFLE1
19
15.95
7356
Iterated Bitcount Function
ITERBIT
35
16.95
7380
Factorial challenge
FUNFACT
342
31.50
7430
Tower Of Hanoi - Revisited
RANJAN02
2124
51.15
7600
Milk Trading
MLK
183
30.24
7603
Fibonacci Factor
FIBFACT
26
26.94
7683
Powered and Squared
CSQUARE
711
27.13
7685
Flowers
FLWRS
309
30.16
7696
Encryption
CENCRY
983
35.99
7709
Jumping Zippy
JZPCIR
66
54.61
7733
Happy Numbers I
HPYNOS
9370
53.38
7772
Help a researcher
HLPRSRCH
57
47.57
7851
Stacks of Zippy
JZPSTA
17
16.80
7946
Check Ramsey
HS10RMSY
8
39.13
7947
Almost square factorisation
HS10SQFT
120
51.97
8097
Islands
IOIISL08
70
46.34
8100
Shifting Lights
SHLIGHTS
228
31.17
8104
Friendly Knights
KFRIENDS
147
45.26
8119
CIRU2
CIRUT
172
36.15
8177
Beautiful numbers EXTREME
JZPEXT
255
27.47
8222
Substrings
NSUBSTR
1257
29.56
8265
Zero Count
ZEROCNT
14
12.50
8316
Win gold medal
WINGOLD
55
26.67
8317
Red Balls
SIGNGAME
43
44.25
8318
color the balls
PLAYSIGN
66
45.93
8363
COSTLY CHESS
CCHESS
1569
43.33
8371
TRIANGULAR PRISM
PRISMSA
2053
69.01
8374
PARKET
PARKET1
1842
56.13
8456
PRIMITIVEROOTS
PROBLEM4
364
46.20
8467
GRADE POINT AVERAGE
GPA1
631
29.95
8478
Ancient Pocket Calculator
POCALC1
7
4.44
8491
Messy Phone List
PHONMESS
52
19.92
8542
Modern Pocket Calculator
POCALC2
35
9.12
8558
Linear Equation Solver
LINQSOLV
15
28.38
8574
Four in a row
FOUROW
22
19.05
8591
Prime Permutations
PRIMPERM
105
30.95
8886
Guess number!
GNUM
17
5.03
9042
HQNP Incomputable
HQNP
45
33.55
9046
Clock Hands
HANDS
376
22.30
9070
Lightning Conductor
LIGHTIN
579
32.99
9086
Formula 3D
JZPFOR
6
21.21
9185
TORNJEVI
TORNJEVI
218
33.14
9199
Circular Track
SPEED
3340
40.27
9534
Turn on the lights
JZPLIT
67
32.81
9535
Turn on the lights 2
JZPLIT2
23
37.08
9753
Tuple Division
TUPLEDIV
17
4.10
9788
Friends of Friends
FACEFRND
7128
63.26
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