list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9494 Just Add It   76 6427 46.82
11
10
9503 Working in Beijing   3 643 48.98
6
6
9504 Paint on a Wall   1 25 41.75
34
26
9505 Distinct Subtrees   1 19 21.84
17
17
9506 Jimmy´s Travel Plan   22 40.44
9507 Mario and Mushrooms   345 56.96
1
34
9508 Magic Bitwise AND Operation   1 105 12.73
34
34
9509 Shortest Path on a Cylinder   27 31.15
9510 Ads Proposal   1 70 25.86
17
17
9511 24-Puzzle   23 17.33
9512 Bombing   89 23.42
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   11 22.94
9518 The Time of Day   1 39 21.98
17
34
9519 Distinct Submatrices   1 23 12.73
50
50
9520 Tanks   1 15 12.24
34
34
9525 Cipher   -1 101 21.13
9527 Department   11 7.73
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 63.36
50
50
9547 Counting d-pairs   2 138 30.52
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   8 324 38.31
41
38
9577 Dynamic Tree Connectivity   13 641 28.48
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 2178 54.17
4
5
9638 Circuits   23 8.61
50
34
9640 Equilibrium   3 252 28.29
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   6 10.71
9650 Mega Inversions   12 614 42.87
11
18
9652 Robots on a grid   21 861 19.51
17
13
9655 Elevator Trouble   96 4305 32.32
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 42 19.85
39
39
9689 Very Boring Homework   16 32.84
9690 Universal Question Answering System   25 24.35
9691 Triangles and Quadrangle   14 11.56

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