ID NAME QUALITY USERS ACC % DIFFICULTY C I
30 Bytelandian Blingors Network   46 2917
14
9
368 Cobbled streets   83 4618
14
13
11443 Davids Greed   5 202
27
22
16776 Modems   7 123
20
17
3381 Highways   50 3280
10
9
18284 Petya and the Road Repairs   41 643
18
21
3188 Minimum Spanning Tree   70 5522
10
9
13868 Roads of NITT   27 362
23
23
15650 Dark roads   22 906
11
11

#mst

minimum spanning tree

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