The shortest circuit.

Source: Internet
Author: User

The shortest possible distance from a point to another point is a short one.

Then the algorithm, there are DIJKSTRA,BELLMAN-FORD,SPFA, and so on, there are Floyd.

Then the usual words are Dijkstra (Priority queue optimization) and SPFA ...

You can read this article below:

Then there is the problem of differential constraint, which is a series of xi-xj<c and then the maximum value of XA-XB ...

This can also be converted to the shortest circuit, that is, the edge of the building edge j->i C.

Then the shortest b->a is the maximum value of the XA-XB.

Then the constraint is not established when there is a negative ring.

When the b->a is the shortest path to INF, it means that any large value is established ...

The shortest circuit.

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