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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
22455 SUM OF PRODUCT   34 1038 17.88
18
20
2141 Golden Garden   17 17.86
16483 Lucky Cities   2 29 17.86
17
26
34812 Kth Power Summation   6 54 17.85
25
19
9687 Xavier is Learning to Count   1 28 17.84
39
39
26054 BMW   21 601 17.83
12
14
16267 Real Numbers   2 169 17.82
26
26
31342 Simple Path   11 17.81
8284 Weighted Sum   6 508 17.80
9
13
2485 Phone Lines   18 17.80
30691 Ada and Diary   1 55 17.77
1
1
2273 Ferries   29 17.75
2709 Untitled Problem   27 17.75
391 Railroads   84 17.74
17
17
22274 Missing Side   1 87 17.74
17
9
30973 Ada and Tomato   4 54 17.74
30
34
7356 Iterated Bitcount Function   2 36 17.72
42
34
14665 Delta catheti (hard)   1 3 17.72
12241 Classification from ErdÅ‘s and Selfridge   5 27 17.71
28
28
6773 Dinostratus Numbers   1 92 17.70
17
17
36718 Fashionable self-describing numbers   5 51 17.67
26
30
1812 Longest Common Substring II   14 1799 17.66
29
29
688 Toy Cars   1 554 17.65
9
17
2658 Art of War   17 17.65
8734 Charlie and the Chocolate Factory   1 40 17.65
26
34
9645 Joy of CompuTenis   6 17.65
9124 Sightseeing   116 17.61
18510 Ross generates Data   4 97 17.60
34
26
34864 Large Sum   7 193 17.59
13
13
36145 Machine Cooling II   2 34 17.56
17
17
24191 Eagle and Dogs   18 522 17.55
21
28
16825 Divisors   5 86 17.54
21
26
375 Query on a tree   163 5544 17.54
33
27
5885 Troops of Sand Monsters   2 107 17.52
17
17
13826 The Grandslam of Grandslams!   11 17.50
10725 String Subsequence   3 72 17.49
26
26
21690 Power the Power Up   10 470 17.49
17
23
16280 Flowers of Babylon   1 47 17.48
17
50
86 November Rain   4 291 17.44
21
21
18932 Sum of primes (reverse mode)   5 21 17.44
45
45
1335 Maze   62 17.43
10596 Monkey and apples   6 162 17.43
30
17
7972 World of cubes   34 17.42
21861 I Love Strings   3 51 17.40
23
23
19224 Lights, Snakes and Cages   4 84 17.40
24
34
13592 Expected Time to Love   1 39 17.39
17
34
15892 Cave   1 11 17.39
17
34
30756 Ada and Numbering   9 117 17.37
31
34
7851 Stacks of Zippy   1 18 17.37
34
34
76 Editor Inverse   64 17.34

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