list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7763 Ingenious Metro   66 67.09
8318 color the balls   66 45.93
50
50
9636 A Canvas Building   66 19.12
17
17
9749 Cliques   66 27.34
9856 The Glazier   66 46.70
10667 PASIJANS   66 48.17
13588 One X LIS   2 66 20.59
17
17
21460 Tresi and Girls   3 66 22.36
17
21
25785 Ecstasy   3 66 31.95
1
1
31234 Stressful Activities   2 66 49.03
12
1
34551 Stopping-off Cities   6 66 18.03
26
23
35956 Square Free Number   8 66 37.92
20
17
4156 PLAHTE   65 36.36
5530 Math with Bases (Easy)   2 65 23.92
26
9
6999 Avoiding SOS Grids   65 10.41
8281 Combination Of Integers   1 65 30.09
17
17
9096 Bob and magical scale   3 65 25.46
26
34
9510 Ads Proposal   65 25.17
10589 King   65 27.94
10608 Unique Strings   2 65 47.46
17
17
15566 Coprime Again   7 65 26.35
27
34
19293 Galaxy distances   65 25.20
26646 An easy Problem   8 65 54.92
13
21
30737 Ada and Homework   4 65 25.00
34
34
40016 Robot World   2 65 11.19
34
34
76 Editor Inverse   64 14.75
87 Football   1 64 21.56
17
1
903 Double Vision   64 56.49
1
1
1335 Maze   64 17.74
17
17
2153 Internet is Faulty   64 41.34
2877 Another understanding of Super Dice Game   64 10.00
3308 The Bridges of San Mochti   2 64 54.40
17
17
3893 Space settlement   64 38.42
4000 GALLUP   1 64 44.44
17
34
4176 A Knightly Pursuit   2 64 28.03
26
17
4593 Arithmetic sequence   1 64 9.46
34
17
5296 Air Combat   -1 64 14.85
34
6831 Two Ball Game   64 28.05
7628 Mathematics   2 64 28.57
17
17
8429 Array Sorting   64 16.60
12969 To inifinity and Beyond   1 64 25.50
34
17
14761 Almost-isosceles Pythagorean triple (easy)   1 64 41.65
20984 Music Academy   2 64 46.45
1
9
23875 Another Version of Inversion   6 64 30.60
21
21
27378 Legend of Heta   2 64 18.32
28
28
28479 Single substitutions   4 64 32.20
17
17
34112 The Sum of Unitary Divisors   1 64 31.49
17
45
40672 Where Proofless Assumption Fails   4 64 40.94
9
9
4378 Twofive   63 31.96
5115 Two "Ways"   63 14.95

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