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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9494 Just Add It   76 6364 47.74
11
10
9503 Working in Beijing   3 643 48.97
6
6
9504 Paint on a Wall   1 24 41.18
34
26
9505 Distinct Subtrees   1 19 21.84
17
17
9506 Jimmy´s Travel Plan   17 39.69
9507 Mario and Mushrooms   345 56.96
1
34
9508 Magic Bitwise AND Operation   1 105 12.68
34
34
9509 Shortest Path on a Cylinder   11 28.78
9510 Ads Proposal   1 70 25.68
17
17
9511 24-Puzzle   24 20.15
9512 Bombing   89 23.42
17
17
9513 Game   18 24.05
9515 Dwarven Sniper´s Hunting   13 54.55
9516 XOR Equations   15 16.49
9517 Unlock the Cellphone   11 25.00
9518 The Time of Day   1 38 23.70
17
34
9519 Distinct Submatrices   1 22 18.75
50
50
9520 Tanks   1 14 11.49
34
34
9525 Cipher   -1 100 21.05
9527 Department   10 6.21
34
17
9528 Johns Trip   20 20.00
9529 Maya Calendar   2 221 30.60
17
12
9532 Transportation   1 18 25.00
17
17
9534 Turn on the lights   67 32.76
9535 Turn on the lights 2   2 22 33.71
26
26
9543 Dynamic Congruence Equation System   10 66.94
50
50
9547 Counting d-pairs   2 138 30.52
23
28
9569 Sum of Pairwise Products   7 838 31.43
6
13
9570 Counting binary strings   7 340 53.21
17
24
9576 Dynamic Graph Connectivity   8 322 37.70
41
38
9577 Dynamic Tree Connectivity   12 630 28.40
29
28
9587 The Prime conjecture   5 574 34.52
9
9
9636 A Canvas Building   66 18.86
17
17
9637 Black and White   12 2179 54.18
4
5
9638 Circuits   24 8.96
50
34
9640 Equilibrium   3 253 28.40
9
9
9641 Factory of Bridges   1 64 26.00
17
34
9642 Getting There Fast   14 13.61
9643 He is Lazy   2 156 41.64
17
17
9644 Imperialism   5 174 30.69
8
14
9645 Joy of CompuTenis   6 14.29
9650 Mega Inversions   12 612 42.97
11
18
9652 Robots on a grid   21 859 19.48
17
13
9655 Elevator Trouble   96 4274 32.27
11
11
9685 Zombie’s Treasure Chest   2 81 13.53
9
17
9686 Yummy Triangular Pizza   482 65.73
26
17
9687 Xavier is Learning to Count   1 36 19.29
39
39
9689 Very Boring Homework   16 32.84
9690 Universal Question Answering System   24 25.14
9691 Triangles and Quadrangle   15 12.24

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