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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4409 Circle vs Triangle   1 61 19.83
4410 Repair the Door   62 22.96
4411 Counting Expressions   29 31.96
4412 Factorization, Factorization, Factorization   1 56 41.44
4413 Gem   3 99 40.00
23
12
4414 Highway   71 23.26
4415 Power of Integer   1 274 21.96
17
26
4416 Jumping Hands   1 210 65.74
17
17
4420 Counting Graphs   76 36.64
4421 Irreducible polynomials over GF2   64 18.04
4429 Spelling Lists   2 194 32.41
17
34
4452 Simple Arithmetics II   55 7512 42.28
11
5
4453 Bouncing Balls II   227 27.98
4454 Brackets II   8 417 36.21
26
24
4455 Going to the Movies   88 36.56
4456 Jumbo Airlines   2 76 36.79
34
34
4457 Shopping II   3 151 34.86
17
1
4458 Rainbow   2 38 19.53
34
42
4459 Muzidabutur   34 26.80
4461 A Famous Airport Manager   27 17.18
4465 The Ant   17 745 25.96
20
15
4477 Flower growing   115 22.02
4478 Counting Expressions II   14 17.65
4480 Chaos Strings   14 533 30.10
17
22
4483 Roads Repair   7 182 32.65
20
23
4485 MobiZone vs VinaGone   7 336 33.79
17
31
4487 Can you answer these queries VI   27 1358 23.60
34
28
4491 Primes in GCD Table   2 844 36.63
17
26
4523 Binomial Coefficients   210 41.58
23
12
4525 Digger Octaves   6 390 35.49
17
21
4528 Frog Wrestling   69 37.50
4532 String reduction   2 169 16.71
17
30
4533 Determinant of Banded Matrices   21 33.91
4546 Tobo or not Tobo   2 267 19.43
26
26
4549 Adding Sevens   19 1933 33.27
17
6
4551 Match Maker   1 63 22.91
4552 Adding up Triangles   140 35.23
4555 Einbahnstrasse   2 489 26.53
22
9
4556 Think I will Buy Me a Football Team   30 2188 45.15
7
11
4557 Musical Chairs   23 2496 46.80
9
19
4558 I Speak Whales   188 42.51
17
17
4559 A Day at the Races   128 17.79
4560 The Double HeLiX   147 8967 37.55
11
10
4564 Chop Ahoy! Revisited!   55 2966 50.88
12
14
4565 What is your Logo   3 920 46.03
1
13
4568 Rotating Rings   1 298 29.72
17
17
4569 Let go to the movies   -3 161 18.26
50
34
4574 Riding in cycles   44 23.96
4580 ABCDEF   218 7915 29.34
14
16
4585 Star Wars   1 76 35.69

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