ID NAME QUALITY USERS ACC % DIFFICULTY C I
30 Bytelandian Blingors Network   54 3749
14
10
368 Cobbled streets   98 5394
13
12
11443 Davids Greed   3 249
28
19
16776 Modems   13 207
19
15
3381 Highways   77 4384
10
9
18284 Petya and the Road Repairs   59 878
19
22
3188 Minimum Spanning Tree   112 8849
10
9
13868 Roads of NITT   43 604
24
24
15650 Dark roads   27 1451
10
10

#mst

minimum spanning tree

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