https://leetcode.com/problems/minimum-height-trees/description/


Center of an acyclic graph #medium #graph #toposort

https://leetcode.com/problems/build-a-matrix-with-conditions/description/

Build a matrix from a graph conditions #hard #graph #toposort

https://leetcode.com/problems/second-minimum-time-to-reach-destination/description/

Second min time to travel from 1 to n in time-edged graph stopping every change seconds #hard #graph #bfs

https://leetcode.com/problems/path-with-maximum-probability/description/

Max path in a weighted graph #medium #graph

https://leetcode.com/problems/modify-graph-edge-weights/description/

Assign vacant -1 weight in graph to make shorted path equal target #hard #graph

https://leetcode.com/problems/path-with-maximum-probability/description/

Max path in graph #medium #graph

https://leetcode.com/problems/valid-arrangement-of-pairs/description/


Hierholzer's algorithm #hard #graph

https://leetcode.com/problems/find-minimum-diameter-after-merging-two-trees/description/

Diameter of 2 connected trees #hard #graph #toposort

https://leetcode.com/problems/divide-nodes-into-the-maximum-number-of-groups/description/


Max count of bipartitions in a graph #hard #bfs #graph

Count fully connected components #medium #union-find #graph


https://leetcode.com/problems/count-the-number-of-complete-components/description/

Max even-edged siblings after merging trees #hard #graph


https://leetcode.com/problems/maximize-the-number-of-target-nodes-after-connecting-trees-ii/description