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time:
2025-09-06
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WHITESPACE
list of classical problems
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ID
NAME
CODE
USERS
ACC %
7109
Indicator of progression
INDIPROG
325
23.89
7132
Headshot
HEADSHOT
1407
37.40
7133
Garden 2005
IOIGARD
69
23.42
7150
Palindrome 2000
IOIPALIN
3302
27.63
7152
Boundary 2003
IOIBOUND
18
12.34
7155
Test
CF25E
424
19.31
7168
Termites strike back
TERMITES
19
39.66
7169
Pizza
EGYPIZZA
6438
29.98
7184
Axis of Symmetry
AXIS
71
18.88
7185
Bye Bye Cakes
BYECAKES
3669
38.67
7186
Counting Pascal
COUNTPAS
134
29.77
7187
Dinosaur Menace
DINOSM
184
8.83
7188
Escape from Jail
ESJAIL
629
30.98
7189
Falta Envido
FALTAENV
182
36.33
7190
Guess the Number
GUESSTHE
2237
33.38
7191
Hexagonal Board
HEXBOARD
546
62.20
7192
Integral Maximization
INTEGMAX
375
38.35
7193
The Pharaoh Curse
CURSE
16
21.05
7208
Black or White
BORW
1482
42.45
7209
Closest Triplet
CLOSEST
334
29.84
7210
Draw Mountains
DRAWM
337
44.33
7211
Elastic Bands
ELASTIC
49
55.97
7212
Find String Roots
FINDSR
2181
34.82
7216
The Clocks
CLOCKS
281
40.48
7217
Training for final
TRIKA
2100
45.56
7230
Garbage Collection
GARBAGE
159
39.80
7231
Homework
HOMEW
232
21.58
7232
Inversion Sort
INVESORT
172
16.33
7239
Cells
IPCELLS
81
47.22
7240
Playground
PLYGRND
208
41.97
7248
Chess part1
ROOKS
104
23.55
7249
Perfume
PERFUME
115
16.00
7250
Blocks for kids
PBOARD
102
40.56
7258
Lexicographical Substring Search
SUBLEX
2294
22.74
7259
Light Switching
LITE
4695
34.33
7260
Number Game
NUMGAME
94
26.01
7264
Digital LED Number
DIGNUM
554
28.35
7286
Collect Diamonds
COLDIAM
20
25.93
7296
Trees Again
CNTTREE
168
47.65
7297
Placing Coins on a Grid
GRIDCOIN
61
32.53
7299
Multiples of 3
MULTQ3
3779
23.63
7301
Lucky Controller
LCKYCONT
11
32.14
7322
Prime Pattern
CHEFJUN
97
36.16
7323
Happy Days
CHEFJUL
47
44.74
7333
Shuffle Music
SHUFFLEN
9
26.67
7335
Spheres
KULE
129
9.54
7336
Mastermind
MSTRMND
493
36.24
7337
Shuffling
SHUFFLE1
24
18.09
7356
Iterated Bitcount Function
ITERBIT
36
16.47
7363
Tree Sum
TREESUM
187
36.46
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