Daily Coding Problem: Problem #851 [Medium]

Good morning! Here's your coding interview problem for today.

This problem was asked by Facebook.

A graph is minimally-connected if it is connected and there is no edge that can be removed while still leaving the graph connected. For example, any binary tree is minimally-connected.

Given an undirected graph, check if the graph is minimally-connected. You can choose to represent the graph as either an adjacency matrix or adjacency list.

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