ID NAME QUALITY USERS ACC % DIFFICULTY C I
30500 THE HONEYCOMB MAZE   13 410
16
16
5151 Alice’s Cube   7 471
26
23
4556 Think I will Buy Me a Football Team   27 2015
7
11
780 The Archipelago   22
45
34
3377 A Bug’s Life   261 9377
12
13
34483 Connected country   10 191
9
6
34409 Disconnected country   1 22
34
34
3978 Distance Query   40 939
23
21
30116 Can you draw it or not?   12 146
4
8
1674 The Explosion   147
3133 Here We Go(relians) Again   3 149
12
12
11839 Graphic Sequence   48
26
34
6256 Inversion Count   443 12109
16
18
37375 Kingdom of Equality   1 3
2670 Count Minimum Spanning Trees   4 158
28
39
4839 Ant   3 183
23
28
215 Panic in the Plazas   77
5732 Paradox   39 1122
17
20
6288 Treeramids   11 997
22
17
913 Query on a tree II   99 3293
23
21
3724 Rainbow Ride   7 463
19
19
3405 Almost Shortest Path   67 1463
22
21
3643 Traffic Network   69 1680
18
21
23132 Travelling cost   30 1276
10
8
34565 Tetrahedrons in the country   3 25
17
17
18458 Very Friends 2   4 31
23
23
18457 Very Friends   6 215
11
30
666 Con-Junctions   27 782
14
19
41 Play on Words   38 2558
21
24
6294 Yodaness Level   58 2951
14
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