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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9755 Grey Area   293 61.51
9753 Tuple Division   17 4.10
9751 Repairing Roads   1 21 11.34
17
34
9750 Polygon Diagonals   26 29.13
9749 Cliques   66 27.80
9748 Palindromes   1 91 29.27
34
34
9746 Bytelandian Tours   15 24.32
9734 Hacking the random number generator   61 5772 38.82
8
6
9725 Queens on a Board   2 51 50.00
34
34
9723 Card Shuffling   39 26.69
9722 Insertion Sort   28 3840 30.70
12
12
9721 2s Complement   1 173 31.83
34
34
9694 Quelling Blade   5 33.33
9693 Revenge of Fibonacci   2 92 30.78
34
34
9692 Share the Cakes   7 10.53
9691 Triangles and Quadrangle   14 12.32
9690 Universal Question Answering System   24 25.14
9689 Very Boring Homework   15 33.33
9687 Xavier is Learning to Count   1 30 18.37
39
39
9686 Yummy Triangular Pizza   468 65.87
26
17
9685 Zombie’s Treasure Chest   2 75 13.19
9
17
9655 Elevator Trouble   96 4174 32.26
11
11
9652 Robots on a grid   21 847 19.50
17
13
9650 Mega Inversions   12 596 42.83
11
18
9645 Joy of CompuTenis   6 17.65
9644 Imperialism   5 172 30.50
8
14
9643 He is Lazy   2 152 41.34
17
17
9642 Getting There Fast   14 14.49
9641 Factory of Bridges   1 63 25.81
17
34
9640 Equilibrium   3 249 28.16
9
9
9638 Circuits   25 9.82
50
34
9637 Black and White   12 2165 54.09
4
5
9636 A Canvas Building   66 19.12
17
17
9587 The Prime conjecture   5 569 34.34
9
9
9577 Dynamic Tree Connectivity   12 557 27.98
29
28
9576 Dynamic Graph Connectivity   8 289 37.34
41
38
9570 Counting binary strings   7 338 53.04
17
24
9569 Sum of Pairwise Products   6 826 31.36
4
12
9547 Counting d-pairs   2 134 30.81
23
28
9543 Dynamic Congruence Equation System   10 67.37
50
50
9535 Turn on the lights 2   2 23 37.08
26
26
9534 Turn on the lights   65 32.52
9532 Transportation   1 17 25.33
17
17
9529 Maya Calendar   2 216 30.07
17
12
9528 Johns Trip   14 27.87
9527 Department   7 5.15
34
17
9525 Cipher   -1 100 21.21
9520 Tanks   1 14 12.41
34
34
9519 Distinct Submatrices   1 23 20.74
50
50
9518 The Time of Day   1 38 25.64
17
34

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