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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9494 Just Add It   76 6451 46.85
11
10
9503 Working in Beijing   3 645 49.07
6
6
9504 Paint on a Wall   1 26 42.31
34
26
9505 Distinct Subtrees   1 21 25.27
17
17
9506 Jimmy´s Travel Plan   23 40.66
9507 Mario and Mushrooms   345 57.02
1
34
9508 Magic Bitwise AND Operation   1 107 12.70
34
34
9509 Shortest Path on a Cylinder   27 31.07
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 25 13.57
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   70 32.49
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   7 840 31.48
6
13
9570 Counting binary strings   7 340 53.21
17
24
9576 Dynamic Graph Connectivity   8 326 38.26
41
38
9577 Dynamic Tree Connectivity   13 651 28.53
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 2183 54.18
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   21 864 19.47
17
13
9655 Elevator Trouble   96 4328 32.38
11
11
9685 Zombie’s Treasure Chest   2 83 13.68
9
17
9686 Yummy Triangular Pizza   485 65.64
26
17
9687 Xavier is Learning to Count   1 44 19.47
39
39
9689 Very Boring Homework   16 33.33
9690 Universal Question Answering System   26 24.00
9691 Triangles and Quadrangle   17 13.25

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