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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 %
416
Divisibility by 15
DIV15
1027
15.52
417
The lazy programmer
LAZYPROG
653
20.27
418
Necklace
NECKLACE
47
17.18
419
Transposing is Fun
TRANSP
307
36.88
421
Another Road Problem
AROAD
71
25.06
422
Transposing is Even More Fun
TRANSP2
315
26.04
423
Assignments
ASSIGN
4838
33.69
428
Particular Palindromes
PARTPALI
501
32.20
449
Simple Numbers with Fractions Conversion
TCNUMFL
37
15.96
479
Permutation generator
TPERML
135
28.24
484
Fossil in the Ice
TFOSS
453
22.40
515
Collatz
CLTZ
450
43.13
518
Zig-Zag Permutation
ZZPERM
51
31.25
526
Divisors
DIV
1715
43.75
530
Divisors 2
DIV2
936
52.47
598
Increasing Subsequences
INCR
148
34.62
660
Dungeon of Death
QUEST4
1355
42.80
661
Nail Them
QUEST5
971
42.98
665
String it out
SUBS
1221
38.85
666
Con-Junctions
VOCV
1006
40.93
677
A place for the brewery
BROW
219
28.30
681
Building the Tower
HANOI07
105
20.11
684
Another Assignment Problem
ASSIGN4
107
12.48
685
Partition the sequence
SEQPAR
244
21.17
687
Repeats
REPEATS
982
25.39
688
Toy Cars
SAM
644
18.47
693
Lethal Warfare
LWAR
365
46.51
694
Distinct Substrings
DISUBSTR
5780
26.61
695
Unite Fast
UFAST
138
27.81
696
Truth or not
LIAR
275
22.00
697
Matrix Words
MWORDS
97
24.43
698
Plane Hopping
PLHOP
289
25.31
699
Huge Knap Sack
HKNAP
141
25.06
700
Branch Prediction
BPRED
78
19.21
702
Barn Expansion
EXPAND
155
23.36
703
Mobile Service
SERVICE
1172
23.15
704
Remove The String
PSTRING
662
15.30
705
New Distinct Substrings
SUBST1
3894
26.82
707
Triple-Free Sets
TFSETS
210
39.12
726
Promotion
PRO
2102
28.18
729
Move your armies
MAXIMUS
80
19.85
735
Minimum Diameter Spanning Tree
MDST
199
34.41
739
The Moronic Cowmpouter
NEG2
3062
50.64
740
Treats for the Cows
TRT
8629
42.74
741
Steady Cow Assignment
STEAD
534
32.90
744
Longest Permutation
LPERMUT
619
19.85
780
The Archipelago
ARCHPLG
40
41.41
1268
CN Tower (Easy)
CNEASY
1123
30.75
1456
The Secret of a Lost City
LOSTCT
23
24.17
1674
The Explosion
EXPLOSN
159
24.04
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