list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
19145 Digo Needs Guns   -1 189 52.27
26
26
19334 Khaolin Temple   2 23 29.69
26
26
19382 Stock   2 93 32.20
26
34
19545 Black and White beads   1 237 33.70
26
26
19899 Middle Earth   2 46 12.25
26
17
19913 Counting Pythagorean Triples   3 16 14.23
26
42
19985 GCD Extreme (hard)   2 249 34.91
26
34
20173 Counting Divisors (square)   6 416 21.56
26
36
20926 Special Numbers (Reverse and Add)   1 21 12.83
26
26
21172 Erdos et al   3 137 36.57
26
26
21187 Increasing Shortest Path   2 29 18.57
26
34
21354 String Problem   4 25 35.80
26
26
22366 Badminton Tournament - Easy   7 206 35.13
26
20
23351 Hiccup And Lucky Dragons   15 9.79
26
17
25338 Eefun Plays LOL   4 50 11.74
26
34
26214 Pisano Factors   3 23 31.90
26
26
26772 Lets Be An Anagrammatist   5 33 13.02
26
21
26893 Pristojba   2 16 18.18
26
50
27496 Again Eid Salami   2 125 45.60
26
34
28287 Mayonnaise Arrow   3 31 10.18
26
13
28459 Grumpy uncle   3 33 37.31
26
26
28653 Urinals   5 11 11.28
26
17
28742 Pizza Store and Gasoline   4 59 42.34
26
23
30759 Ada and Species   8 91 25.47
26
31
31036 Ada and Mulberry   4 112 12.63
26
26
31374 Matrix Multiplication 2K   1 16 60.98
26
9
31973 THE SHORTEST PATH   1 31 30.34
26
17
31979 Ada and Party   3 19 63.27
26
17
32791 Billi and Kaddu   2 37 46.61
26
34
33049 Ada and Chess   5 38 18.18
26
17
33263 Ada and Tomel   2 35 36.07
26
26
33773 Ada and Dahlia   3 22 20.43
26
17
34359 Triangle on Binary Tree   6 36 56.00
26
30
34380 Even Semiprime Runs   3 22 63.93
26
26
34551 Stopping-off Cities   6 66 18.31
26
23
34557 Apoorv Loves Primes   9 46 42.49
26
30
34624 Longest palindrome with no adjacent duplicates   1 87 30.69
26
9
34719 Gift Arrangement   2 14 37.50
26
9
34973 Yet Another Subset Sum Problem   2 3 3.41
26
34
36718 Fashionable self-describing numbers   5 51 17.67
26
30
36860 Epidemic Control   5 29 54.84
26
21
37375 Kingdom of Equality   2 10 25.00
26
26
40192 Battle Of The Bastards - Kings Vs Rooks   2 8 67.92
26
34
40636 Stacks of boxes   2 44 27.40
26
34
41944 BitPlay69   4 240 32.13
26
26
3946 K-th Number   237 5064 34.36
25
27
18167 SubXor   73 1638 30.34
25
28
4110 Fast Maximum Flow   47 2794 34.37
25
22
33 Trip   18 1932 25.92
25
16
5 The Next Palindrome   451 19906 10.74
25
18

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