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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4409 Circle vs Triangle   1 59 19.60
4410 Repair the Door   60 22.63
4411 Counting Expressions   29 34.83
4412 Factorization, Factorization, Factorization   1 55 41.34
4413 Gem   3 98 39.83
23
12
4414 Highway   57 21.71
4415 Power of Integer   1 275 22.05
17
26
4416 Jumping Hands   1 208 65.73
17
17
4420 Counting Graphs   72 36.33
4421 Irreducible polynomials over GF2   63 17.89
4429 Spelling Lists   2 190 32.12
17
34
4452 Simple Arithmetics II   55 7509 42.28
11
5
4453 Bouncing Balls II   226 28.02
4454 Brackets II   8 416 36.19
26
24
4455 Going to the Movies   88 36.56
4456 Jumbo Airlines   2 74 38.38
34
34
4457 Shopping II   3 149 34.66
17
1
4458 Rainbow   2 37 19.44
34
42
4459 Muzidabutur   34 27.56
4461 A Famous Airport Manager   26 16.97
4465 The Ant   17 743 25.90
20
15
4477 Flower growing   115 22.02
4478 Counting Expressions II   14 18.56
4480 Chaos Strings   14 532 30.09
17
22
4483 Roads Repair   7 182 32.65
20
23
4485 MobiZone vs VinaGone   7 332 33.65
17
31
4487 Can you answer these queries VI   26 1343 23.45
34
28
4491 Primes in GCD Table   2 808 35.99
17
26
4523 Binomial Coefficients   208 41.44
23
12
4525 Digger Octaves   6 389 35.42
17
21
4528 Frog Wrestling   68 37.26
4532 String reduction   2 168 16.66
17
30
4533 Determinant of Banded Matrices   20 33.33
4546 Tobo or not Tobo   2 267 19.43
26
26
4549 Adding Sevens   19 1929 33.22
17
6
4551 Match Maker   1 61 22.28
4552 Adding up Triangles   138 35.96
4555 Einbahnstrasse   2 488 26.50
22
9
4556 Think I will Buy Me a Football Team   30 2186 45.14
7
11
4557 Musical Chairs   23 2487 46.74
9
19
4558 I Speak Whales   183 42.48
17
17
4559 A Day at the Races   125 17.31
4560 The Double HeLiX   147 8946 37.56
11
10
4564 Chop Ahoy! Revisited!   55 2958 50.88
12
14
4565 What is your Logo   3 919 46.01
1
13
4568 Rotating Rings   1 294 29.62
17
17
4569 Let go to the movies   -3 160 18.20
50
34
4574 Riding in cycles   43 23.95
4580 ABCDEF   218 7897 29.30
14
16
4585 Star Wars   1 76 35.45

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