#378Medium#37 in Snowflake's list· asked at 6 companies
Design Add and Search Words Data Structure
Hosted on LeetCode
Solve it on LeetCode, track it here.
This problem's full statement lives on LeetCode. Open it in a new tab, then come back to mark it solved, add notes and keep your streak.
LeetCode Premium locked?
Most company-tagged LeetCode problems are behind Premium. If you have ChatGPT Plus or Claude Pro, ask it for the full statement, examples and constraints. The buttons below open a chat with the prompt already filled in.
What we know
Example 1
Input: ["WordDictionary","addWord","addWord","addWord","search","search","search","search"] [[],["bad"],["dad"],["mad"],["pad"],["bad"],[".ad"],["b.."]] Output: [null,null,null,null,false,true,true,true]
Constraints
- •
1 <= word.length <= 25 - •
wordinaddWordconsists of lowercase letters; insearchit may also contain '.'. - •
There will be at most 2 dots in
searchwords. - •
At most
10^4calls will be made.