In a directed graph, the

**length of a circuit**is the number of arcs that make up this circuit.### Example

In this directed graph, the path made up of the arcs *a*, *b*, *c*, *d*, *e* and *n* in order is a circuit.

In a directed graph, the **length of a circuit** is the number of arcs that make up this circuit.

In this directed graph, the path made up of the arcs *a*, *b*, *c*, *d*, *e* and *n* in order is a circuit.