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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9382 Complan Carnival   35 36.92
9385 Strictly not a Prime   9 363 28.62
17
12
9386 Re-Arrange II   9 270 44.49
21
17
9387 Special String   11 1096 39.44
6
19
9430 The game of 31   160 38.72
6
17
9433 Buzzwords   1 76 35.89
26
26
9434 New Horizons   11 31.75
9440 To Add or to Multiply   15 14.71
9443 Trial of Doom   1 31 51.52
17
34
9444 Block Drop   1 24 43.02
34
34
9445 Attack of the Clones   26 50.85
9446 Shortest Circuit Evaluation   28 45.90
9447 Genetics   41 35.29
9448 Swarm of Polygons   36 35.59
9458 Ghosts having fun   7 205 11.74
16
23
9459 Connecting three towns (variation)   1 52 24.66
17
34
9489 Johny Hates Math   21 16.92
9493 Advanced Fruits   92 2237 37.53
19
16
9494 Just Add It   76 6269 47.85
11
10
9503 Working in Beijing   2 641 49.17
4
4
9504 Paint on a Wall   1 23 40.59
34
26
9505 Distinct Subtrees   1 17 20.24
17
17
9506 Jimmy´s Travel Plan   17 39.69
9507 Mario and Mushrooms   340 56.76
1
34
9508 Magic Bitwise AND Operation   104 12.72
9509 Shortest Path on a Cylinder   11 28.78
9510 Ads Proposal   65 25.17
9511 24-Puzzle   23 23.14
9512 Bombing   83 22.69
17
17
9513 Game   17 28.81
9515 Dwarven Sniper´s Hunting   10 56.00
9516 XOR Equations   14 18.07
9517 Unlock the Cellphone   11 26.88
9518 The Time of Day   1 37 24.74
17
34
9519 Distinct Submatrices   1 23 20.74
50
50
9520 Tanks   1 14 12.41
34
34
9525 Cipher   -1 100 21.21
9527 Department   7 5.15
34
17
9528 Johns Trip   14 27.87
9529 Maya Calendar   2 216 30.05
17
12
9532 Transportation   1 17 24.05
17
17
9534 Turn on the lights   67 32.81
9535 Turn on the lights 2   2 23 37.08
26
26
9543 Dynamic Congruence Equation System   10 68.97
50
50
9547 Counting d-pairs   2 135 30.67
23
28
9569 Sum of Pairwise Products   7 827 31.37
6
13
9570 Counting binary strings   7 338 53.04
17
24
9576 Dynamic Graph Connectivity   8 299 37.53
41
38
9577 Dynamic Tree Connectivity   12 572 27.90
29
28
9587 The Prime conjecture   5 570 34.37
9
9

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