list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9340 Arbitrage   37 1951 39.51
12
17
28179 Appending String   2 254 44.80
8
6
34557 Apoorv Loves Primes   9 54 44.61
26
30
32245 Apoorv and Maximum Inversion   21 150 33.15
22
24
32257 Apoorv and Math problem   11 174 14.96
29
16
11066 AP - Complete The Series v2   8 1117 14.23
19
11
11063 AP - Complete The Series (Easy)   48 13032 37.13
3
6
384 Any fool can do it   2 389 32.52
17
17
15569 Antisymmetry   2 418 40.85
17
34
395 Anti-prime Sequences   3 349 47.83
9
9
2157 Anti-Blot System   104 12967 45.24
10
5
37444 Anti Hash II   1 7 43.94
37420 Anti Hash   3 37 15.45
42
42
12887 Ant Colony Optimization   45 62.39
4839 Ant   3 194 38.89
23
28
11371 Answer the boss!   32 1243 35.25
15
15
2007 Another Very Easy Problem! WOW!!!   17 792 39.04
13
28
23875 Another Version of Inversion   7 71 32.13
23
23
22741 Another Valentine Maze Game (2D)   2 11 21.19
50
34
22740 Another Valentine Maze Game (1D)   4 44 48.05
5
21
2877 Another understanding of Super Dice Game   67 10.33
3974 Another Tree Problem   7 647 32.53
15
23
34379 Another Travelling Salesman Problem   2 12 12.28
50
42
12556 Another Traffic Problem   38 16.16
7565 Another Sorting Algorithm   1 33 15.06
50
1
1470 Another Sequence Problem   3 197 24.56
42
26
421 Another Road Problem   71 25.06
17
34
2565 Another Permutation Problem   1 59 23.46
34
17
1715 Another Necklace Problem   52 18.42
17
17
1671 Another Mathematical Problem   69 12.36
1
17
4194 Another Lucky Numbers   4 142 33.44
17
13
2371 Another Longest Increasing Subsequence Problem   18 844 13.68
30
33
4212 Another Longest Increasing Subsequence Problem   14 42.50
3466 Another Longest Common Subsequence Problem   6 5.66
12958 Another Gift Problem   42 19.75
6059 Another GCD problem   342 45.16
6285 Another Game With Numbers   32 1333 31.23
11
13
738 Another Counting Problem   1 235 40.65
1
1
1991 Another Continuous Fractions Problem   1 84 19.97
34
17
6042 Another Box Problem   10 847 49.90
6
17
684 Another Assignment Problem   1 107 12.48
34
1
14049 Annual Day   1 91 20.65
12
12
15312 Annoying Coins Quest   1 30 42.32
17
34
18915 Anils Proposal   2 31 18.90
50
50
32857 Angry Siam   4 62 34.21
30
30
1022 Angels and Devils   6 675 31.13
26
25
5832 AND Rounds   51 1702 24.89
17
20
36941 AND Queries   4 22 30.94
23
34
8478 Ancient Pocket Calculator   7 4.25
15088 Ancient Aliens   5 42.62
34
1

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