ID NAME QUALITY USERS ACC % DIFFICULTY C I
30 Bytelandian Blingors Network   52 3194
14
10
368 Cobbled streets   96 5022
14
13
11443 Davids Greed   3 223
28
19
16776 Modems   7 142
20
17
3381 Highways   65 3647
10
9
18284 Petya and the Road Repairs   53 774
19
22
3188 Minimum Spanning Tree   91 6780
10
10
13868 Roads of NITT   39 473
24
24
15650 Dark roads   25 1056
10
10

#mst

minimum spanning tree

https://en.wikipedia.org/wiki/Minimum_spanning_tree http://algs4.cs.princeton.edu/43mst/