ID NAME QUALITY USERS ACC % DIFFICULTY C I
30 Bytelandian Blingors Network   42 2753
14
8
368 Cobbled streets   76 4349
14
14
11443 Davids Greed   5 169
27
22
16776 Modems   7 115
20
17
3381 Highways   46 3033
10
9
18284 Petya and the Road Repairs   26 548
18
21
3188 Minimum Spanning Tree   60 4965
9
9
13868 Roads of NITT   22 275
25
24
15650 Dark roads   19 824
12
10

#mst

minimum spanning tree

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