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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9494 Just Add It   76 6434 46.83
11
10
9503 Working in Beijing   3 644 49.01
6
6
9504 Paint on a Wall   1 25 41.75
34
26
9505 Distinct Subtrees   1 20 24.44
17
17
9506 Jimmy´s Travel Plan   22 40.44
9507 Mario and Mushrooms   345 56.96
1
34
9508 Magic Bitwise AND Operation   1 104 12.59
34
34
9509 Shortest Path on a Cylinder   27 31.15
9510 Ads Proposal   1 71 25.97
17
17
9511 24-Puzzle   23 17.33
9512 Bombing   88 23.32
17
17
9513 Game   20 18.58
9515 Dwarven Sniper´s Hunting   17 38.33
9516 XOR Equations   16 16.83
9517 Unlock the Cellphone   12 23.64
9518 The Time of Day   1 39 21.98
17
34
9519 Distinct Submatrices   1 23 12.73
50
50
9520 Tanks   1 15 12.08
34
34
9525 Cipher   -1 101 21.13
9527 Department   11 7.37
34
17
9528 Johns Trip   20 28.57
9529 Maya Calendar   2 221 30.60
17
12
9532 Transportation   1 21 27.71
17
17
9534 Turn on the lights   69 32.37
9535 Turn on the lights 2   2 22 32.22
26
26
9543 Dynamic Congruence Equation System   10 54.97
50
50
9547 Counting d-pairs   2 137 30.38
23
28
9569 Sum of Pairwise Products   7 839 31.45
6
13
9570 Counting binary strings   7 340 53.21
17
24
9576 Dynamic Graph Connectivity   8 325 38.29
41
38
9577 Dynamic Tree Connectivity   13 647 28.47
29
28
9587 The Prime conjecture   5 573 34.46
9
9
9636 A Canvas Building   70 17.93
17
17
9637 Black and White   12 2180 54.20
4
5
9638 Circuits   24 9.06
50
34
9640 Equilibrium   3 254 28.05
9
9
9641 Factory of Bridges   1 68 25.87
17
34
9642 Getting There Fast   18 17.12
9643 He is Lazy   2 156 41.64
17
17
9644 Imperialism   5 174 30.69
8
14
9645 Joy of CompuTenis   8 14.06
9650 Mega Inversions   12 615 42.90
11
18
9652 Robots on a grid   21 862 19.46
17
13
9655 Elevator Trouble   96 4317 32.35
11
11
9685 Zombie’s Treasure Chest   2 83 13.68
9
17
9686 Yummy Triangular Pizza   484 65.69
26
17
9687 Xavier is Learning to Count   1 43 19.28
39
39
9689 Very Boring Homework   15 32.20
9690 Universal Question Answering System   25 23.62
9691 Triangles and Quadrangle   16 12.67

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