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121 questions found

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Data structures · Multiple Choice
Difficulty: Easy
Which tree node has no parent in a rooted tree?
Tree terminologyHierarchical data
Answer →
Data structures · Multiple Choice
Difficulty: Easy
Which tree node has no children?

Tree terminologyHierarchical data

Data structures · Multiple Choice

Difficulty: Easy

What is a node directly above another node in a rooted tree called?

Tree terminologyHierarchical data

Data structures · Multiple Choice

Difficulty: Easy

What consists of a chosen tree node and all of its descendants?

Tree terminologyHierarchical data

Data structures · Multiple Choice

Difficulty: Easy

What is the number of edges on the longest root-to-leaf path under the edge-count convention?

Tree terminologyHierarchical data

Data structures · Multiple Choice

Difficulty: Medium

Which tree organizes keys so that left-subtree keys precede the node and right-subtree keys follow it?

Search treesOrdered lookup

Data structures · Multiple Choice

Difficulty: Hard

Which self-balancing search tree maintains a height difference of at most one at every node?

Search treesOrdered lookup

Data structures · Multiple Choice

Difficulty: Hard

Which search tree maintains balance using node colors and constraints on black-height paths?

Search treesOrdered lookup

Data structures · Multiple Choice

Difficulty: Hard

Which balanced multiway search tree can store data entries in both internal and leaf nodes?

Search treesOrdered lookup

Data structures · Multiple Choice

Difficulty: Hard

Which balanced multiway search tree keeps data entries at the leaves and uses internal nodes for routing?

Search treesOrdered lookup

Data structures · Multiple Choice

Difficulty: Medium

Which priority-queue operation reads the highest-priority item without removing it?

Priority operationsHeaps

Data structures · Multiple Choice

Difficulty: Medium

Which min-priority-queue operation removes and returns the item with the smallest key?

Priority operationsHeaps

Data structures · Multiple Choice

Difficulty: Medium

Which priority-queue operation adds a new item and its priority?

Priority operationsHeaps

Data structures · Multiple Choice

Difficulty: Medium

Which operation lowers the priority key of an existing min-priority-queue item?

Priority operationsHeaps

Data structures · Multiple Choice

Difficulty: Medium

Which priority-queue operation combines two existing queues into one?

Priority operationsHeaps

Data structures · Multiple Choice

Difficulty: Medium

Which graph representation stores the neighbors associated with each vertex?

Graph representationGraphs

Data structures · Multiple Choice

Difficulty: Medium

Which graph representation uses a table indexed by source and destination vertices?

Graph representationGraphs

Data structures · Multiple Choice

Difficulty: Medium

Which graph representation stores connections as a collection of endpoint pairs or triples?

Graph representationGraphs

Data structures · Multiple Choice

Difficulty: Medium

What is an individual entity or position in a graph called?

Graph representationGraphs

Data structures · Multiple Choice

Difficulty: Medium

What graph connection distinguishes a source endpoint from a destination endpoint?

Graph representationGraphs

Showing 21–40 of 121 results

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