list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8668 THE BLACK AND WHITE QUEENS   2 84 43.03
21
34
8786 The Longest Chain of Domino Tiles   5 297 31.93
21
21
10522 K12-OE Numbers   7 238 50.18
21
21
10622 DIFERENCIJA   8 608 46.51
21
23
11909 C You and Me   4 95 45.36
21
21
12324 Tiles   3 100 21.57
21
30
12357 Subset and upset (HARD)   4 128 40.98
21
21
12399 Johnny Hates Climbing   3 115 23.47
21
13
12810 Yet Another Multiple Problem   9 333 22.66
21
23
14891 Good Debugging   4 60 41.22
21
17
15439 Zombie Outbreak   5 75 22.86
21
21
15571 Difference   2 147 33.39
21
28
16758 Divisible by 6 and 9   -1 126 36.28
21
13
16793 Statistics Applied   3 214 22.15
21
17
17150 Palin Square   6 116 31.96
21
30
18187 Ingredients   10 295 31.69
21
23
20174 Counting Divisors (cube)   7 407 35.87
21
42
21104 Jarin Loves New Task   6 49 38.20
21
21
21671 Jumppy and the Grid   4 63 33.10
21
21
22253 Distributing sweets   4 109 21.13
21
17
22275 Collecting Candies   4 70 28.34
21
30
22528 Paths in a Tree   3 45 26.64
21
21
22535 String Play   5 46 42.62
21
21
22804 Knapsack   4 56 30.87
21
23
23153 Equivalent Passwords   9 77 36.16
21
14
23429 Grid Arithmetic   2 51 43.57
21
17
26301 Bits. Exponents and Gcd   4 160 31.67
21
26
26746 Gears   4 44 29.81
21
17
28164 Cats Invitation   7 84 28.90
21
15
28404 Ada and Field   33 577 25.39
21
17
32468 Frog Party   4 69 27.38
21
21
34222 Bucket Selection   5 25 15.76
21
30
34260 Signpost reading   8 28 20.41
21
13
34685 Playing With Subarray   13 124 37.53
21
17
36577 K-transfer journey   4 27 39.00
21
26
37387 Modulo Sequence   8 57 14.71
21
21
37476 Personal LCM   4 45 13.46
21
30
3266 K-query   248 6124 25.55
21
25
503 Prime Intervals   67 1826 16.13
21
19
18201 RK Sorting   20 1382 38.78
21
12
2008 Dab of Backpack   17 674 23.80
21
17
10968 LUCIFER Number   45 1630 62.38
21
22
417 The lazy programmer   9 654 20.29
21
23
2856 Help Bob   6 278 31.72
21
23
4318 Catch Fish   11 508 33.21
21
26
17717 Gopu and Counting Bitwise Prime Numbers   9 225 19.81
21
17
22337 Stick values   12 130 41.66
21
23
27000 Shoot and kill   12 336 23.81
21
21
27379 Unique Code   22 130 19.74
21
21
36951 HowManyLis   7 168 17.44
21
22

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