1 
Graph theory\Adjacency and network matrices/Adjaceny and network matrices 
Easy 
Alevel 
D1 
2 
Graph theory\Spanning trees\Minimum spanning tree\Prims algorithm 
Intermediate 
ALevel 
D1 
3 
Graph theory\Spanning trees\Minimum spanning tree\Kruskals algorithm 
Intermediate 
ALevel 
D1 
4 
Graph theory\Degree\degree sequence 
Easy 
ALevel 
D1 
5 
Graph theory/Adjaceny and network matrices/Number of walks 
Hard 
Undergraduate 
Foundation 
6 
Graph theory/Adjaceny and network matrices/Number of walks 
Intermediate 
Undergraduate 
Foundation 
7 
Graph theory/Simple and connected graphs 
Easy 
ALevel 
D1 
8 
Graph theory\Spanning trees\Minimum spanning tree\Kruskals algorithm 
Intermediate 
Alevel 
D1 
9 
Graph theory\Degree\indegree\outdegree 
Intermediate 
Alevel 
D1 
10 
Graph theory\Degree\degree sequence 
Hard 
Alevel 
D1 
11 
Graph theory\Degree\degree sequence 
Hard 
Alevel 
D1 
12 
Graph theory\Spanning trees\Minimum spanning tree\Prims algorithm 
Hard 
ALevel 
D1 
