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2025-09-05
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list of classical problems
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ID
NAME
CODE
USERS
ACC %
27380
Painting Hat
BLCONE
257
47.70
27381
Emoticon
BLKEK
863
49.84
27429
Changu Mangu in a Football Team
VECTAR13
83
20.19
27433
Divisible Fibonacci Numbers
DIVFIBS2
29
29.33
27450
Changu with subsequences
VECTAR14
38
36.31
27483
Counting Words
REDRONESIA
49
49.60
27484
Zeros in Fibonacci period
Z124
14
39.08
27487
Police Men
POLICEMEN
308
44.21
27491
Bidding Game
BIDGAME
10
27.84
27493
Even Frequency
EVENFRQ
72
29.59
27494
Happiness
HAPPINESS
9
14.78
27496
Again Eid Salami
EIDSALAMI2
129
45.61
27497
Binary Protean Number
BINPRNUM
144
45.38
27498
Votka and String
VOTAS
83
33.53
27519
Zeros of the fundamental Fibonacci period
Z124H
13
21.50
27520
Laser
LAS
43
19.94
27521
Domino's effect
DOM
15
31.43
27561
Greatest Common Divisor Of Three Integers
GDCOFTI
1749
40.34
27683
Inquire
UFPR14D
764
54.72
27942
Product it again
PROD1GCD
149
33.08
28009
Balance the parentheses
BALANCE1PARA
19
20.54
28079
Maximum Child Sum
MAXCHILDSUM
105
23.04
28163
OR
EXPOR
130
22.10
28164
Cats Invitation
CATINV
84
28.90
28179
Appending String
GOC11A
254
44.80
28180
Sanvi Hates Palindrome
GOC11B
62
36.32
28265
Ada and Rain
ADARAIN
425
55.36
28286
Archery Training
BLMIRINA
182
33.13
28287
Mayonnaise Arrow
BLMIRANA
37
12.64
28288
Super Amoeba
BLAMOEBA
204
37.70
28302
Ada and Plus
ADAPLUS
165
44.24
28303
Ada and Plants
ADAPLANT
325
33.81
28304
Ada and Teams
ADATEAMS
887
39.47
28305
Ada and Indexing
ADAINDEX
2349
42.88
28306
Ada and Queue
ADAQUEUE
2513
26.01
28307
Ada and Game
ADAGAME
630
31.59
28308
Ada and Spring Cleaning
ADACLEAN
1603
20.72
28315
Shoumiks Weakness
WEAKSMK
14
22.33
28352
Friend Zoned
FRNDZND
291
63.72
28404
Ada and Field
ADAFIELD
577
25.39
28409
Ada and Cycle
ADACYCLE
1166
25.64
28413
Ada and Fence
ADAFENCE
45
27.93
28449
Ada and List
ADALIST
335
22.69
28450
Ada and Path
ADAPATH
109
30.98
28451
Ada and Cities
ADACITY
154
30.51
28456
Finding the way
TAP2016B
21
10.62
28457
Correlations
TAP2016C
94
29.40
28458
Drawing triangles
TAP2016D
28
8.62
28459
Grumpy uncle
TAP2016E
41
33.33
28460
Congratulations, Fidel!
TAP2016F
44
15.11
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