Question: C++ question, I'm not sure how to use an unordered map to write this function. CycleFinder: traverse the graph and determine the node(s) that start

C++ question, I'm not sure how to use an unordered map

C++ question, I'm not sure how to use an unordered map to write this function.

CycleFinder: traverse the graph and determine the node(s) that start cycle(s) in the graph. Use the unordered map data structure in the STL to keep track of the nodes that have been visited. Assumptions: Unique keys, Simple graphs with cycles (no weirdness), e.g., use the graph: 0 rightarrow 1 rightarrow 2 rightarrow 3 rightarrow 0 No need to worry about cases like 4 rightarrow 0 rightarrow 1 rightarrow 2 rightarrow 3 rightarrow 0 (unless you want to!)

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