UA-UMO 2023 Problem 98
What is the largest possible number of edges in a graph on nodes, if there exists exactly one way to split its nodes into pairs so that the nodes from each pair are connected by an edge?
Proposed by Anton Trygub
Dataset text AI-MO AoPS. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
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