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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4411 Counting Expressions   29 42.47
4412 Factorization, Factorization, Factorization   1 52 41.28
4413 Gem   3 97 40.12
23
12
4414 Highway   53 21.89
4415 Power of Integer   1 269 21.86
17
26
4416 Jumping Hands   1 206 66.83
17
17
4420 Counting Graphs   58 34.93
4421 Irreducible polynomials over GF2   62 17.92
4429 Spelling Lists   2 178 31.84
17
34
4452 Simple Arithmetics II   55 7458 42.38
11
5
4453 Bouncing Balls II   219 27.73
4454 Brackets II   8 412 35.93
26
24
4455 Going to the Movies   86 36.33
4457 Shopping II   3 147 35.01
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   17 736 25.89
20
15
4477 Flower growing   112 22.55
4478 Counting Expressions II   14 35.29
4480 Chaos Strings   14 528 30.03
17
22
4483 Roads Repair   7 180 32.64
20
23
4485 MobiZone vs VinaGone   7 322 33.31
17
31
4487 Can you answer these queries VI   26 1269 22.97
34
28
4491 Primes in GCD Table   2 732 34.51
17
26
4523 Binomial Coefficients   207 41.33
23
12
4525 Digger Octaves   6 379 35.78
17
21
4528 Frog Wrestling   66 43.23
4532 String reduction   2 166 16.56
17
30
4533 Determinant of Banded Matrices   16 32.67
4546 Tobo or not Tobo   2 260 19.54
26
26
4549 Adding Sevens   19 1923 33.13
17
6
4551 Match Maker   1 61 22.40
4552 Adding up Triangles   137 36.30
4555 Einbahnstrasse   2 486 26.47
22
9
4556 Think I will Buy Me a Football Team   30 2172 45.04
7
11
4557 Musical Chairs   23 2474 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   147 8842 37.55
12
10
4564 Chop Ahoy! Revisited!   55 2943 50.84
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 18.22
50
34
4574 Riding in cycles   41 24.31
4580 ABCDEF   218 7825 29.22
14
16
4585 Star Wars   1 74 35.09
4586 Texas Trip   67 38.25
4587 Electric Fences   -1 130 31.95
26
26
4588 SETI   125 67.47

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