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WHITESPACE
list of classical problems
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ID
NAME
CODE
USERS
ACC %
3195
Doors and Penguins
DOORSPEN
243
27.37
3261
Race Against Time
RACETIME
1177
24.82
3305
Roman Patrollers
SA04C
53
59.35
3306
Very Special Boxes
SA04D
114
31.96
3314
Umnozak
UMNOZAK
115
30.02
3347
Cestarine
HIGHWAY
64
29.10
3374
Scavenger Hunt
SCAVHUNT
1375
50.52
3375
Stamps
STAMPS
13789
41.72
3376
Parking Lot
PARKINGL
143
20.40
3385
Yoda Goes Palindromic !
YODA
586
30.53
3393
Knot or Not
NOTOKNOT
10
16.67
3394
Lagrange’s Four-Square Theorem
LAGRANGE
532
46.08
3412
Higgs Boson
SAMER08H
52
19.09
3442
The last digit
LASTDIG
30111
26.98
3464
Clock
CLOCK1
66
36.47
3466
Another Longest Common Subsequence Problem
CS
6
5.66
3543
Matrica
MATRICA
56
39.90
3544
Binary Search Tree
BST
611
21.01
3545
Najkraci
NAJKRACI
188
28.92
3591
Patting Heads
PATHEADS
659
35.33
3605
Minimum Rotations
MINMOVE
921
19.12
3640
Hanoi Subway System Construction
HNSUBWAY
36
40.78
3723
Snooker
SNOOKER
459
50.51
3734
Periodni
PERIODNI
662
38.96
3749
Subset Sums
SUBSUMS
4224
26.66
3752
JEDNAKOST
JEDNAKOS
601
18.45
3753
GONDOR
GONDOR
395
53.39
3754
MAJMUN
MAJMUN
77
40.47
3763
George
GEORGE
528
52.53
3791
Street
STREET
669
51.43
3877
Cvjetici
CVJETICI
986
48.67
3882
Cijevi
CIJEVI
261
38.20
3898
Even Palindrome
PALDR
251
10.23
3931
Maximum Triangle Area
MTRIAREA
283
29.27
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
3975
Most Servings Meal
MKUHAR
354
26.37
3977
Police Query
POLQUERY
302
17.37
4010
Chặt cây
OPTCUT
11
22.58
4070
Two Professors
TWOPROF
104
14.10
4103
Extend to Palindrome
EPALIN
2588
30.59
4110
Fast Maximum Flow
FASTFLOW
3055
34.28
4157
Domino
DOMINO2
56
49.80
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
4172
Multiplicative digital root
DROOT
77
24.16
4176
A Knightly Pursuit
KPURSUIT
67
29.28
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