ID NAME QUALITY USERS ACC % DIFFICULTY C I
30500 THE HONEYCOMB MAZE   8 128
19
16
5151 Alice‚Äôs Cube   6 418
27
24
4556 Think I will Buy Me a Football Team   17 1740
8
14
780 The Archipelago   -1 20
50
42
3377 A Bug’s Life   116 5556
14
13
3978 Distance Query   14 500
21
21
30116 Can you draw it or not?   5 68
3
6
1674 The Explosion   143
3133 Here We Go(relians) Again   1 104
9
9
11839 Graphic Sequence   24
26
34
6256 Inversion Count   253 8743
15
17
2670 Count Minimum Spanning Trees   2 119
26
42
4839 Ant   2 172
26
34
215 Panic in the Plazas   77
5732 Paradox   19 866
16
18
6288 Treeramids   7 698
23
19
913 Query on a tree II   50 2350
24
21
3724 Rainbow Ride   5 433
19
19
3405 Almost Shortest Path   40 1126
23
23
3643 Traffic Network   33 1237
18
22
23132 Travelling cost   20 702
9
8
18458 Very Friends 2   3 20
23
23
18457 Very Friends   3 185
6
34
666 Con-Junctions   20 613
17
22
41 Play on Words   25 2214
21
28
6294 Yodaness Level   41 2300
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