ID NAME QUALITY USERS ACC % DIFFICULTY C I
30 Bytelandian Blingors Network   54 3771
14
10
368 Cobbled streets   98 5433
13
12
11443 Davids Greed   3 252
28
19
16776 Modems   13 214
19
15
3381 Highways   77 4471
10
9
18284 Petya and the Road Repairs   60 887
19
22
3188 Minimum Spanning Tree   112 8968
10
9
13868 Roads of NITT   43 617
24
24
15650 Dark roads   27 1528
10
10

#mst

minimum spanning tree

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