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2025-09-06
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list of classical problems
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ID
NAME
CODE
USERS
ACC %
5446
Fishing Net
FISHNET
176
31.96
5449
Seinfeld
ANARC09A
9559
40.06
5453
Air Strike
ANARC09F
178
23.78
5917
Factorial length
LENGFACT
3478
34.57
6230
Dictionary order
GSP1
6
9.30
6236
Matches
FERT21_0
458
22.10
6264
Rank of a Fraction
FNRANK
132
31.92
6299
Move Marbles
MOVMRBL
22
5.52
6450
PP numbers
MB1
886
41.94
6470
Finding the Kth Prime
TDKPRIME
7868
27.24
6471
Printing some primes
TDPRIMES
7822
28.92
6517
Farmer Sepp
JOCHEF
340
22.08
6691
Picking Up Chicks
GCJ101BB
2261
32.18
6819
Yet Another Assignment Problem
ASSIGN5
42
11.26
7034
Crashing Robots
CROBOTS
171
47.90
7035
The Embarrassed Cryptographer
CRYPTON
358
32.25
7050
Necklace Decomposition
NECKDEC
48
60.61
7169
Pizza
EGYPIZZA
6438
29.98
7217
Training for final
TRIKA
2100
45.56
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
4694
34.32
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
7378
Manhattan Companies
MCOMP
16
10.96
7380
Factorial challenge
FUNFACT
344
31.49
7386
Activities
ACTIV
1447
25.57
7387
Airplane Parking
PKA
56
23.53
7389
Rating Hazard
PKD
25
19.44
7402
Repair Depots
PC8H
14
43.90
7403
Messy Administration
MESS
14
30.88
7404
Just on Time
ONTIME
16
35.38
7405
Delicious Pancakes
PANCAKES
736
27.06
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