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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9508 Magic Bitwise AND Operation   1 107 12.66
34
34
9509 Shortest Path on a Cylinder   28 31.51
9510 Ads Proposal   1 72 26.14
17
17
9511 24-Puzzle   24 17.76
9512 Bombing   89 23.46
17
17
9513 Game   20 18.58
9515 Dwarven Sniper´s Hunting   18 39.34
9516 XOR Equations   18 20.00
9517 Unlock the Cellphone   12 23.64
9518 The Time of Day   1 39 21.98
17
34
9519 Distinct Submatrices   1 26 14.22
50
50
9520 Tanks   1 16 12.67
34
34
9525 Cipher   -1 101 21.10
9527 Department   11 7.37
34
17
9528 Johns Trip   21 29.29
9529 Maya Calendar   2 221 30.60
17
12
9532 Transportation   1 22 28.57
17
17
9534 Turn on the lights   1 73 33.00
1
34
9535 Turn on the lights 2   2 23 32.97
26
26
9543 Dynamic Congruence Equation System   10 54.97
50
50
9547 Counting d-pairs   2 138 30.45
23
28
9569 Sum of Pairwise Products   7 841 31.50
6
13
9570 Counting binary strings   7 340 53.14
17
24
9576 Dynamic Graph Connectivity   8 328 38.05
41
38
9577 Dynamic Tree Connectivity   13 655 28.75
29
28
9587 The Prime conjecture   5 574 34.49
9
9
9636 A Canvas Building   71 18.04
17
17
9637 Black and White   12 2184 54.19
4
5
9638 Circuits   25 9.33
50
34
9640 Equilibrium   3 256 28.14
9
9
9641 Factory of Bridges   1 69 26.01
17
34
9642 Getting There Fast   19 17.69
9643 He is Lazy   2 157 41.73
17
17
9644 Imperialism   5 174 30.69
8
14
9645 Joy of CompuTenis   9 15.38
9650 Mega Inversions   12 617 42.94
11
18
9652 Robots on a grid   21 865 19.47
17
13
9655 Elevator Trouble   96 4335 32.41
11
11
9685 Zombie’s Treasure Chest   2 84 13.66
9
17
9686 Yummy Triangular Pizza   485 65.64
26
17
9687 Xavier is Learning to Count   1 46 20.05
39
39
9689 Very Boring Homework   16 33.33
9690 Universal Question Answering System   26 24.00
9691 Triangles and Quadrangle   17 13.25
9692 Share the Cakes   10 9.32
9693 Revenge of Fibonacci   2 97 31.16
34
34
9694 Quelling Blade   10 31.58
9721 2s Complement   1 179 32.17
34
34
9722 Insertion Sort   28 4073 31.43
12
12
9723 Card Shuffling   41 26.23

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