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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1029 Matrix Summation   53 3532 20.12
15
18
11371 Answer the boss!   32 1209 35.15
15
15
2815 Increasing Subsequences   53 2179 28.15
15
22
394 Alphacode   580 22822 27.39
15
15
206 Bitmap   246 9614 28.25
15
16
381 106 miles to Chicago   50 3201 36.54
15
14
28305 Ada and Indexing   59 2264 42.30
15
15
3605 Minimum Rotations   15 920 19.11
15
21
13990 Web islands   18 584 32.99
15
16
15560 Help the old King   15 549 37.17
15
15
22382 Euler Totient Function Depth   24 393 36.95
15
16
1435 Vertex Cover   129 4139 34.31
15
18
17 The Bytelandian Cryptographer (Act I)   9 1384 41.44
15
26
96 Shopping   46 3093 44.18
15
11
1031 Up Subsequence   2 731 32.65
15
10
5084 Discrete Math Problem   6 284 31.32
15
24
5972 Maximum Sum Sequences   14 1154 20.60
15
18
6187 Jane and Tarzan   7 217 24.50
15
22
20977 Car Game   7 49 33.18
15
17
21284 Can You Make It Empty 3   6 95 31.16
15
20
27225 Knight Move   12 460 29.84
15
14
27248 Funny Modular Sequence   7 83 35.19
15
20
28303 Ada and Plants   14 321 33.59
15
16
29434 Counting WOW-Substrings2   7 104 44.69
15
22
34484 Candy pair   7 64 42.15
15
22
37169 Boba Inversion   10 108 33.50
15
20
8869 Roti Prata   63 7361 39.51
15
17
14932 Lowest Common Ancestor   234 7847 29.20
15
15
78 Marbles   68 8162 34.96
15
13
15609 Spiky Mazes   22 1034 35.14
15
12
28304 Ada and Teams   24 855 39.32
15
15
18467 A Brief Expedition   11 276 54.35
15
15
21692 CURD PRODUCERS   6 534 41.98
15
11
9921 ABC Path   162 7819 21.85
15
12
7691 Homo or Hetero   22 1671 36.22
15
11
14955 Dancing Cows   24 596 24.89
15
22
2 Prime Generator   630 82535 16.26
15
14
402 Hike on a Graph   8 776 40.14
15
19
744 Longest Permutation   3 617 19.83
15
19
1285 Continuous Fractions Again   5 375 41.79
15
10
3105 Power Modulo Inverted   6 1121 27.21
15
23
3974 Another Tree Problem   7 647 32.53
15
23
4988 Madrids One Way Streets   5 200 28.93
15
15
5468 Going to school   8 327 36.25
15
34
13686 finding maximum possible number   8 368 22.11
15
27
14156 Movie Theatre Madness   8 446 53.30
15
17
23507 Retrovirus   6 93 36.02
15
13
24999 1807   10 525 38.29
15
18
35151 Beautiful Roll Numbers   8 74 64.80
15
8
36667 Solution to all the problems   13 151 21.20
15
11

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