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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
15671 Product of factorials (medium)   1 23 28.65
34
1
12151 Pizzamania   28 2187 28.66
5
4
4644 Proving Equivalences   1 199 28.66
17
17
13049 The Loyalty of the Orcs   93 28.67
21683 Bhagat and String   2 30 28.67
34
50
8189 Circles On A Screen   83 28.67
9749 Cliques   70 28.68
31341 Just One Swap   11 185 28.68
11
12
9385 Strictly not a Prime   9 370 28.68
17
12
10704 The Great Escape   1 36 28.72
34
34
12903 Saving BOB - 2   13 28.72
17
1
16909 Critical Edges   50 1923 28.73
13
15
8507 Party Switching   4 246 28.74
6
6
6477 Bowling   3 526 28.74
8
11
30499 TWO STRINGS   6 26 28.75
15
15
9577 Dynamic Tree Connectivity   13 655 28.75
29
28
31893 Fibonacci and Easy GCD   7 69 28.76
23
32
35278 Earth Sled Tour   5 31 28.77
34
34
2939 Query on a tree V   79 1924 28.77
29
30
11601 With a Pit of Death   3 523 28.78
8
11
6986 Summing Slopes   61 28.79
16409 Lopov   5 321 28.79
11
14
71 Tree   3 465 28.80
12
9
7023 Cookies   19 28.80
28547 Ada and Easy Game   7 101 28.80
13
26
70 Relations   2 254 28.80
9
17
3870 Military Story   3 286 28.81
21
12
709 The day of the competitors   38 1566 28.81
17
27
5978 Frequent Prime Ranges   10 718 28.82
14
14
20327 Triangles   1 30 28.82
50
50
34501 Divisible Strings   5 219 28.86
15
17
14443 Three Circle Problem (HARD)   2 50 28.88
34
1
22319 Polynomial Table   1 11 28.88
17
17
3363 Svada   10 496 28.88
9
15
3861 Laser Phones   31 1420 28.89
20
18
32093 Where The Friends Meet!   3 42 28.89
34
34
414 Equatorial Bonfire   1 79 28.90
34
17
28164 Cats Invitation   7 84 28.90
21
15
2816 Common Subsequences   5 223 28.92
26
34
9063 Shuffling cards   16 28.92
3545 Najkraci   6 188 28.92
28
34
1835 The SetStack Computer   1 171 28.92
26
17
262 Connections   1 114 28.93
34
34
6471 Printing some primes   71 7830 28.93
13
11
2052 Hexagonal Parcels   76 28.93
11472 Amazing Maze   5 262 28.97
17
26
4324 The fate of the pineapple   46 28.98
10586 Problems in Moria   41 28.98
3900 MinCut Query   78 28.99
16696 Nadal vs Djokovic   155 28.99
34
26

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