Princeton Algorithms: Part 2 [week 5: Tries]
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Exercise
Question Explanation
The correct answer is: 17
Here is the level-order traversal of the trie after each insertion,
where - denotes a null link and . denotes the root node:
.
. - 2 - 1 - - - 2 - - - -
. - 2 3 1 - - 1 - - - 2 - 1 - - - - - - - 3 - - -
. 1 2 3 - 2 - 1 - - 1 - - - - 3 - 2 - 1 - - - - 3 - - - - - 3 - - - - - -
. 1 2 3 - 2 - 1 - - 1 - - - - 3 - 2 - 1 - - - - 3 - - - - - 3 - - - - - -
. 1 2 3 - 2 - 1 - - 1 - - - - 3 - 2 3 1 - - - - 3 - - - - - - - - 3 - - - - - -
. 1 2 3 - 2 - 1 - - 1 2 - - - 3 - 2 3 1 - - - - - - - 3 - - - - - - - - 3 - - - - - -
. 1 2 3 - 2 - 1 2 - 1 2 - - - 3 - 2 3 - 2 - 1 - - - - - - - 3 - - - - - - - - 3 - - 3 - - - - - - - - -
Question Explanation
The correct answer is: 2 3 3 4 5 4 4
0 1 2 3 4 5 6
-----------------------------------
key 244 132 543 524 535 423 145
depth 2 3 3 4 5 4 4
Here is the level-order traversal of the TST after each insertion,
where - denotes a null link:
2 - 4 - - 4 - - - -
2 1 4 - - 3 - - 4 - - 2 - - - - - - -
2 1 4 5 - 3 - - 4 - - 4 - - 2 - - - - - 3 - - - - - - -
2 1 4 5 - 3 - - 4 - - 4 - - 2 - - - - 2 3 - - - - - 4 - - - - - - -
2 1 4 5 - 3 - - 4 - - 4 - - 2 - - - - 2 3 - - - - - 4 3 - - - - - - - 5 - - - -
2 1 4 5 - 3 - - 4 - 4 4 - - 2 - - - - - 2 - 2 3 - - - - - 3 - - 4 3 - - - - - - - - - - 5 - - - -
2 1 4 5 - 3 - - 4 - 4 4 - - 2 4 - - - - 2 - 2 3 - - - - - 5 - - 3 - - 4 3 - - - - - - - - - - - - - 5 - - - -
Interview Questions
0 0
- Princeton Algorithms: Part 2 [week 5: Tries]
- Princeton Algorithms: Part 2 [week 5: Substring Search]
- Princeton Algorithms: Part 2 [week 7: Reductions]
- Princeton Algorithms: Part 2 [week 7: Intractability]
- Princeton Algorithms: Part 2 [week 7: Final Exam Part II]
- Princeton Algorithms: Part 2 [week 2: Minimum Spanning Trees]
- Princeton Algorithms: Part 2 [week 2: Shortest Paths]
- Princeton Algorithms: Part 1 [week 5: Balanced Search Trees]
- Princeton Algorithms: Part 1 [week 2:Stacks and Queues]
- Princeton Algorithms: Part 1 [week 2:Elementary Sorts]
- Princeton Algorithms: Part 2 [week 1: Undirected Graphs]
- Princeton Algorithms: Part 2 [week 1: Directed Graphs]
- Princeton Algorithms: Part 2 [week 3: Maxflow and Mincut]
- Princeton Algorithms: Part 2 [week 3: Radix Sorts]
- Princeton Algorithms: Part 2 [week 6: Regular Expressions]
- Princeton Algorithms: Part 2 [week 6: Data Compression]
- Princeton Algorithms: Part 2 [week 7: Linear Programming]
- Princeton Algorithms: Part 1 [week 3:Mergesort]
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