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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4410 Repair the Door   58 22.54
4411 Counting Expressions   29 42.47
4412 Factorization, Factorization, Factorization   1 54 42.20
4413 Gem   3 96 40.66
23
12
4414 Highway   54 22.04
4415 Power of Integer   1 268 21.82
17
26
4416 Jumping Hands   1 207 66.67
17
17
4420 Counting Graphs   54 34.33
4421 Irreducible polynomials over GF2   62 18.01
4429 Spelling Lists   2 175 31.72
17
34
4452 Simple Arithmetics II   55 7442 42.37
11
5
4453 Bouncing Balls II   219 27.73
4454 Brackets II   8 411 35.91
26
24
4455 Going to the Movies   86 36.33
4456 Jumbo Airlines   2 74 39.38
34
34
4457 Shopping II   3 145 34.91
17
1
4458 Rainbow   1 34 19.46
17
34
4459 Muzidabutur   4 21.43
4461 A Famous Airport Manager   23 16.36
4465 The Ant   17 727 25.98
20
15
4477 Flower growing   112 22.73
4478 Counting Expressions II   14 35.29
4480 Chaos Strings   14 526 29.97
17
22
4483 Roads Repair   7 177 32.49
20
23
4485 MobiZone vs VinaGone   7 316 33.09
17
31
4487 Can you answer these queries VI   25 1209 22.71
34
28
4491 Primes in GCD Table   2 677 33.46
17
26
4523 Binomial Coefficients   209 41.72
23
12
4525 Digger Octaves   6 369 35.58
17
21
4528 Frog Wrestling   66 43.23
4532 String reduction   2 166 16.62
17
30
4533 Determinant of Banded Matrices   16 32.67
4546 Tobo or not Tobo   2 252 19.45
26
26
4549 Adding Sevens   19 1921 33.11
17
6
4551 Match Maker   1 61 22.40
4552 Adding up Triangles   137 36.30
4555 Einbahnstrasse   2 484 26.55
22
9
4556 Think I will Buy Me a Football Team   30 2165 44.99
7
11
4557 Musical Chairs   23 2472 46.67
9
19
4558 I Speak Whales   182 42.26
17
17
4559 A Day at the Races   122 17.08
4560 The Double HeLiX   146 8770 37.57
12
10
4564 Chop Ahoy! Revisited!   55 2937 50.86
12
14
4565 What is your Logo   3 916 45.94
1
13
4568 Rotating Rings   1 288 29.48
17
17
4569 Let go to the movies   -3 159 18.60
50
34
4574 Riding in cycles   41 24.31
4580 ABCDEF   216 7770 29.20
14
16
4585 Star Wars   1 73 34.85
4586 Texas Trip   66 37.85

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