Which data structure suits the most in the tree construction?

The most suitable data structure for constructing a tree is usually a linked data structure. Specifically, a common choice is to use a linked list or an array of nodes, where each node represents a specific element or value within the tree. Each node typically contains references or pointers to its child nodes, allowing for efficient navigation and manipulation of the tree structure.

In addition to the nodes themselves, you may also need auxiliary data structures depending on the specific requirements of your tree implementation. For example, you might use a queue or a stack for depth-first or breadth-first traversal algorithms, respectively.

Overall, the choice of data structure for constructing a tree depends on factors such as the specific use case, the operations you need to perform on the tree, and the efficiency requirements of your application.