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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4784 Diophantine equation   2 149 39.96
17
1
4761 Strategy game   2 37 54.10
9
17
4717 Grid Points in a Triangle   97 46.60
4681 Twice   5 282 20.97
24
27
4672 Yanu in Movie theatre   12 1677 45.11
2
27
4669 Cross Mountain Climb Extreme   1 32 22.91
34
50
4667 Gremlins   3 52 28.15
28
34
4666 Wireless   1 123 36.15
17
17
4658 Help Hemant Verma   1 49 14.77
9
17
4657 Gas Wars   139 35.32
34
17
4656 Cross Mountain Climb   1 60 32.74
17
34
4644 Proving Equivalences   1 194 28.33
17
17
4593 Arithmetic sequence   1 64 9.52
34
17
4588 SETI   124 67.61
4587 Electric Fences   -1 125 31.91
26
26
4586 Texas Trip   67 38.25
4585 Star Wars   1 73 34.85
4580 ABCDEF   218 7789 29.21
14
16
4574 Riding in cycles   41 24.31
4569 Let go to the movies   -3 159 18.60
50
34
4568 Rotating Rings   1 288 29.48
17
17
4565 What is your Logo   3 916 45.94
1
13
4564 Chop Ahoy! Revisited!   55 2940 50.88
12
14
4560 The Double HeLiX   147 8797 37.59
11
10
4559 A Day at the Races   122 17.08
4558 I Speak Whales   182 42.26
17
17
4557 Musical Chairs   23 2473 46.65
9
19
4556 Think I will Buy Me a Football Team   30 2167 44.99
7
11
4555 Einbahnstrasse   2 484 26.55
22
9
4552 Adding up Triangles   137 36.30
4551 Match Maker   1 61 22.40
4549 Adding Sevens   19 1921 33.12
17
6
4546 Tobo or not Tobo   2 255 19.36
26
26
4533 Determinant of Banded Matrices   16 32.67
4532 String reduction   2 166 16.62
17
30
4528 Frog Wrestling   66 43.23
4525 Digger Octaves   6 372 35.67
17
21
4523 Binomial Coefficients   209 41.72
23
12
4491 Primes in GCD Table   2 696 33.79
17
26
4487 Can you answer these queries VI   25 1224 22.76
34
28
4485 MobiZone vs VinaGone   7 318 33.19
17
31
4483 Roads Repair   7 177 32.49
20
23
4480 Chaos Strings   14 526 29.97
17
22
4478 Counting Expressions II   14 35.29
4477 Flower growing   112 22.73
4465 The Ant   17 732 25.86
20
15
4461 A Famous Airport Manager   23 16.36
4459 Muzidabutur   4 21.43
4458 Rainbow   1 34 19.46
17
34
4457 Shopping II   3 145 34.91
17
1

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