Graph basics and representation
by Graph is a data structure which consists a set of vertices which is called as Node, together with a set of collection of pair of vertices which is called as an Edge. A graph data structure can be represented as a pair (V, E) where V is a set of nodes called vertices and E is a collection of pairs of vertices called edges. Graphs are used to solve many real life problems such as fastest wasy to go from A to B etc.
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