list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
288 Prime or Not   73 4963 18.80
21
22
20 The Bytelandian Cryptographer (Act IV)   2 55 26.81
21
34
55 Jasiek   3 462 28.13
21
13
86 November Rain   4 292 17.48
21
21
397 I Conduit   3 190 15.40
21
21
479 Permutation generator   1 126 27.48
21
17
1108 Card Trick   68 2186 50.38
21
24
1434 Equation   5 415 33.18
21
26
2139 Gossipers   3 590 31.74
21
26
3576 Boy Scouts   3 142 28.57
21
30
3870 Military Story   3 282 28.76
21
12
5271 A Coin Game   4 510 30.70
21
30
5465 Deliver pizza   5 404 22.82
21
15
5652 Snow White and the N dwarfs   31 872 21.70
21
31
6479 The Very Greatest Common Divisor   4 93 10.23
21
13
6826 Hacking   6 126 13.87
21
26
7296 Trees Again   5 166 50.53
21
30
8349 BRODOVI   6 607 43.97
21
17
8550 Longest Square Factor   4 67 19.29
21
34
8668 THE BLACK AND WHITE QUEENS   3 81 45.86
21
34
10522 K12-OE Numbers   7 229 49.24
21
21
10622 DIFERENCIJA   8 420 41.25
21
23
11909 C You and Me   4 87 45.25
21
21
12324 Tiles   3 96 21.55
21
30
12357 Subset and upset (HARD)   4 127 42.07
21
21
12399 Johnny Hates Climbing   3 111 23.21
21
13
12810 Yet Another Multiple Problem   9 266 21.48
21
23
12916 MMM   3 82 17.71
21
26
13091 Snakes and Ladders   2 101 16.86
21
9
14891 Good Debugging   4 57 43.50
21
17
15439 Zombie Outbreak   5 68 25.37
21
21
15571 Difference   2 66 24.62
21
28
16758 Divisible by 6 and 9   -1 122 37.97
21
13
17150 Palin Square   6 110 31.61
21
30
17539 Cows Language   3 32 40.54
21
26
18187 Ingredients   10 267 32.34
21
23
21671 Jumppy and the Grid   4 61 32.40
21
21
22253 Distributing sweets   4 105 21.64
21
17
22528 Paths in a Tree   3 43 28.37
21
21
22535 String Play   5 46 43.44
21
21
22804 Knapsack   4 52 29.33
21
23
23153 Equivalent Passwords   9 71 36.04
21
14
23429 Grid Arithmetic   2 46 41.79
21
17
26301 Bits. Exponents and Gcd   4 122 40.70
21
26
26746 Gears   4 41 30.13
21
17
27498 Votka and String   3 76 32.19
21
12
28164 Cats Invitation   7 77 27.99
21
15
28404 Ada and Field   33 550 25.80
21
17
32468 Frog Party   4 66 28.10
21
21
33820 Ada and Game of Divisors   3 110 46.38
21
21

Most popular tags