ID NAME QUALITY USERS ACC % DIFFICULTY C I
30 Bytelandian Blingors Network   52 3139
14
10
368 Cobbled streets   96 4957
14
13
11443 Davids Greed   3 219
28
19
16776 Modems   7 138
20
17
3381 Highways   65 3587
10
9
18284 Petya and the Road Repairs   53 757
19
22
3188 Minimum Spanning Tree   87 6568
10
9
13868 Roads of NITT   37 441
23
23
15650 Dark roads   25 1027
10
10

#mst

minimum spanning tree

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