Trie additional nodes
Computer Science
Level
1
Let's say we have a trie that has the following words in it already .
- home
- house
- belated
- heated
If we add the following words, how many nodes will be added to the trie?
- hose
- belt
- heal
The answer is 4.
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For "hose", nodes 's' and 'e' are added, since 'h' and 'o' are already presented (1. home; 2. house).
For "belt", node 't' is added, since "bel" is already presented (3. belated).
For "heal", node 'l' is added, since "hea" is already presented (4.heated).