In this explore card of "Graph", section "Algorithms to construct minimum spanning tree"\nhttps://leetcode.com/explore/learn/card/graph/621/algorithms-to-construct-minimum-spanning-tree/3856/\n\nIt says "... choose exactly N-1 edges of the graph with N **edges** in total...", it should be "... choose exactly N-1 edges of the graph with N **nodes** in total..."\nSee screenshot below.\n![image](https://assets.leetcode.com/users/images/ef449a76-7146-4428-85b8-52b0284c8b2b_1641337679.7512937.png)\n\n\n

In this explore card of "Graph", section "Algorithms to construct minimum spanning tree"\nhttps://leetcode.com/explore/learn/card/graph/621/algorithms-to-constr