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e ) - x 2 + x 4 1 x 1 , x 2 and x 3 are binary variables. Which statement is true about
e
and are binary variables. Which statement is true about this constraint
a When and are selected, must be selected
b When is selected, both and must be selected
c When X is selected, either X or X must be selected
d If is selected, then must be selected as well
e When and are selected, can not be selected
and are binary variables. Which statement is true about this constraint
a When and are selected, must be selected
b When is selected, both and can not be selected
c When is selected, does not have to be selected
d If is selected, then must be selected as well
e When and are selected, can be selected
Consider the directed graph shown in the figure below. There are multiple shortest paths between vertices and Which one will be reported by Dijkstra's shortest path algorithm? Assume that, in any iteration, the shortest path to a vertex is updated only when a strictly shorter path to is discovered.
a SDT
b SBDT
c SACDT
d SACET
e SBFT
When using Dijkstra's algorithm to find shortes path in a Graph, which of the following is NOT true?
a It can find shortes path within the same graph data structure
b Every time a new node is visited, we choose the node with smallest known distance cost weight to visit first.
c Shortest path always passes through least number of vertices
d The graph needs to have a nonnegative weight on every edge.
e Shortest path to a visited node might be updated based on updated information new iteration of the agorithm.
Consider the below nondirected graph. There are multiple paths from any node to any other node. Based on the shortest path algorithm, Dijkstra's algorithm, what is the short path from to
a aceg
b adfg
c acfg
d adcfg
e
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