ID NAME QUALITY USERS ACC % DIFFICULTY C I
30500 THE HONEYCOMB MAZE   16 638
17
15
5151 Alice’s Cube   8 504
24
21
4556 Think I will Buy Me a Football Team   30 2176
7
11
780 The Archipelago   37
34
26
3377 A Bug’s Life   342 15489
12
13
40642 Chips Challenge   1 23
17
17
34483 Connected country   15 556
5
5
34409 Disconnected country   1 44
34
34
3978 Distance Query   70 1776
24
21
30116 Can you draw it or not?   16 196
5
9
37922 See you again?   3 50
12
12
1674 The Explosion   153
3133 Here We Go(relians) Again   3 168
12
12
11839 Graphic Sequence   1 51
17
23
37921 Birthday Present   3 38
42
34
37375 Kingdom of Equality   2 11
26
26
2670 Count Minimum Spanning Trees   4 180
28
39
4839 Ant   3 192
23
28
215 Panic in the Plazas   83
34
34
5732 Paradox   42 1223
16
19
6288 Treeramids   16 1091
21
19
913 Query on a tree II   117 4531
23
21
3724 Rainbow Ride   8 487
19
19
40639 Escape the New America   3 29
17
17
3405 Almost Shortest Path   80 1668
22
21
3643 Traffic Network   89 2104
18
21
23132 Travelling cost   39 1621
10
8
34565 Tetrahedrons in the country   4 49
17
23
18458 Very Friends 2   4 38
23
23
18457 Very Friends   6 245
11
30
666 Con-Junctions   32 993
14
19
41 Play on Words   42 3236
21
24
6294 Yodaness Level   74 3543
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