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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4409 Circle vs Triangle   1 60 19.83
4410 Repair the Door   59 22.27
4411 Counting Expressions   29 40.26
4412 Factorization, Factorization, Factorization   1 53 39.34
4413 Gem   3 97 40.12
23
12
4414 Highway   53 21.63
4415 Power of Integer   1 275 22.05
17
26
4416 Jumping Hands   1 208 65.73
17
17
4420 Counting Graphs   72 36.93
4421 Irreducible polynomials over GF2   63 18.03
4429 Spelling Lists   2 189 32.05
17
34
4452 Simple Arithmetics II   55 7472 42.40
11
5
4453 Bouncing Balls II   223 27.60
4454 Brackets II   8 415 36.10
26
24
4455 Going to the Movies   87 36.33
4456 Jumbo Airlines   2 74 39.18
34
34
4457 Shopping II   3 148 35.21
17
1
4458 Rainbow   2 36 19.39
34
42
4459 Muzidabutur   34 27.56
4461 A Famous Airport Manager   25 16.75
4465 The Ant   17 740 25.84
20
15
4477 Flower growing   114 22.40
4478 Counting Expressions II   14 32.14
4480 Chaos Strings   14 530 30.07
17
22
4483 Roads Repair   7 180 32.64
20
23
4485 MobiZone vs VinaGone   7 332 33.55
17
31
4487 Can you answer these queries VI   26 1331 23.36
34
28
4491 Primes in GCD Table   2 799 35.58
17
26
4523 Binomial Coefficients   208 41.35
23
12
4525 Digger Octaves   6 381 35.76
17
21
4528 Frog Wrestling   65 39.42
4532 String reduction   2 166 16.56
17
30
4533 Determinant of Banded Matrices   20 33.33
4546 Tobo or not Tobo   2 265 19.49
26
26
4549 Adding Sevens   19 1928 33.16
17
6
4551 Match Maker   1 62 22.83
4552 Adding up Triangles   138 35.96
4555 Einbahnstrasse   2 488 26.52
22
9
4556 Think I will Buy Me a Football Team   30 2184 45.12
7
11
4557 Musical Chairs   23 2479 46.71
9
19
4558 I Speak Whales   183 42.37
17
17
4559 A Day at the Races   124 17.09
4560 The Double HeLiX   147 8916 37.57
11
10
4564 Chop Ahoy! Revisited!   55 2950 50.90
12
14
4565 What is your Logo   3 919 46.01
1
13
4568 Rotating Rings   1 293 29.52
17
17
4569 Let go to the movies   -3 159 18.11
50
34
4574 Riding in cycles   42 24.41
4580 ABCDEF   218 7876 29.28
14
16
4585 Star Wars   1 74 34.83

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