ID NAME QUALITY USERS ACC % DIFFICULTY C I
30500 THE HONEYCOMB MAZE   10 173
17
16
5151 Alice‚Äôs Cube   6 435
27
24
4556 Think I will Buy Me a Football Team   19 1815
7
12
780 The Archipelago   -1 20
50
42
3377 A Bug’s Life   133 6187
14
13
34409 Disconnected country   3
3978 Distance Query   15 548
22
22
30116 Can you draw it or not?   6 87
3
5
1674 The Explosion   143
3133 Here We Go(relians) Again   3 107
12
12
11839 Graphic Sequence   39
26
34
6256 Inversion Count   288 9436
15
17
2670 Count Minimum Spanning Trees   2 122
26
42
4839 Ant   2 175
26
34
215 Panic in the Plazas   77
5732 Paradox   24 921
16
19
6288 Treeramids   8 776
22
17
913 Query on a tree II   53 2535
24
21
3724 Rainbow Ride   6 436
19
19
3405 Almost Shortest Path   46 1191
23
23
3643 Traffic Network   44 1337
18
21
23132 Travelling cost   25 823
9
8
18458 Very Friends 2   3 21
23
23
18457 Very Friends   3 188
6
34
666 Con-Junctions   23 651
16
21
41 Play on Words   26 2291
21
26
6294 Yodaness Level   45 2424
15
16

#graph-theory

The problem involves the study of graphs, which are mathematical structures used to model pairwise relations between objects.

https://en.wikipedia.org/wiki/Graph_theory http://primes.utm.edu/graph/ http://pallini.di.uniroma1.it/ - a program which help with generating graphs http://world.mathigon.org/Graph_Theory http://cs.bme.hu/fcs/graphtheory.pdf - Lecture Notes on Graph Theory