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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9494 Just Add It   76 6355 47.74
11
10
9503 Working in Beijing   3 642 48.94
6
6
9504 Paint on a Wall   1 24 41.18
34
26
9505 Distinct Subtrees   1 18 20.93
17
17
9506 Jimmy´s Travel Plan   17 39.69
9507 Mario and Mushrooms   344 56.90
1
34
9508 Magic Bitwise AND Operation   1 104 12.59
34
34
9509 Shortest Path on a Cylinder   11 28.78
9510 Ads Proposal   1 69 25.87
17
17
9511 24-Puzzle   23 21.31
9512 Bombing   84 22.84
17
17
9513 Game   18 29.69
9515 Dwarven Sniper´s Hunting   13 58.06
9516 XOR Equations   14 17.44
9517 Unlock the Cellphone   11 26.32
9518 The Time of Day   1 37 24.12
17
34
9519 Distinct Submatrices   1 22 19.85
50
50
9520 Tanks   1 14 11.72
34
34
9525 Cipher   -1 100 21.21
9527 Department   10 7.01
34
17
9528 Johns Trip   20 33.33
9529 Maya Calendar   2 220 30.52
17
12
9532 Transportation   1 18 25.00
17
17
9534 Turn on the lights   67 32.81
9535 Turn on the lights 2   2 21 32.18
26
26
9543 Dynamic Congruence Equation System   10 67.50
50
50
9547 Counting d-pairs   2 136 30.37
23
28
9569 Sum of Pairwise Products   7 837 31.41
6
13
9570 Counting binary strings   7 339 53.15
17
24
9576 Dynamic Graph Connectivity   8 321 37.66
41
38
9577 Dynamic Tree Connectivity   12 622 28.30
29
28
9587 The Prime conjecture   5 573 34.46
9
9
9636 A Canvas Building   66 18.86
17
17
9637 Black and White   12 2176 54.16
4
5
9638 Circuits   23 8.38
50
34
9640 Equilibrium   3 251 28.31
9
9
9641 Factory of Bridges   1 63 25.76
17
34
9642 Getting There Fast   14 14.49
9643 He is Lazy   2 155 41.56
17
17
9644 Imperialism   5 173 30.59
8
14
9645 Joy of CompuTenis   6 16.67
9650 Mega Inversions   12 611 42.94
11
18
9652 Robots on a grid   21 858 19.48
17
13
9655 Elevator Trouble   96 4251 32.35
11
11
9685 Zombie’s Treasure Chest   2 80 13.51
9
17
9686 Yummy Triangular Pizza   481 65.64
26
17
9687 Xavier is Learning to Count   1 36 19.35
39
39
9689 Very Boring Homework   15 33.33
9690 Universal Question Answering System   24 25.14
9691 Triangles and Quadrangle   14 11.64

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