1. [x] Loop deletion 2. [x] Split into strong components (@phaker) - [x] Tarjan's algorithm `petgraph::algo::tarjan_scc` 3. [x] In neighbor shortcut (@ken_die) 4. [x] Out neighbor shortcut (@ken_die) 5. [ ] Two disjoint Cycles (@ken_die) - [x] Implement and test Karger min-cut - [ ] Implement and test Stör min-cut - [x] Implement and test Edmonds-Karp min-cut