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g1201_1300.s1268_search_suggestions_system.readme.md Maven / Gradle / Ivy

1268\. Search Suggestions System

Medium

You are given an array of strings `products` and a string `searchWord`.

Design a system that suggests at most three product names from `products` after each character of `searchWord` is typed. Suggested products should have common prefix with `searchWord`. If there are more than three products with a common prefix return the three lexicographically minimums products.

Return _a list of lists of the suggested products after each character of_ `searchWord` _is typed_.

**Example 1:**

**Input:** products = ["mobile","mouse","moneypot","monitor","mousepad"], searchWord = "mouse"

**Output:** 
        
    [ 
        ["mobile","moneypot","monitor"], 
        ["mobile","moneypot","monitor"], 
        ["mouse","mousepad"], 
        ["mouse","mousepad"], 
        ["mouse","mousepad"] 
                                ]

**Explanation:** products sorted lexicographically = ["mobile","moneypot","monitor","mouse","mousepad"] After typing m and mo all products match and we show user ["mobile","moneypot","monitor"] After typing mou, mous and mouse the system suggests ["mouse","mousepad"]

**Example 2:**

**Input:** products = ["havana"], searchWord = "havana"

**Output:** [["havana"],["havana"],["havana"],["havana"],["havana"],["havana"]]

**Example 3:**

**Input:** products = ["bags","baggage","banner","box","cloths"], searchWord = "bags"

**Output:** [["baggage","bags","banner"],["baggage","bags","banner"],["baggage","bags"],["bags"]]

**Constraints:**

*   `1 <= products.length <= 1000`
*   `1 <= products[i].length <= 3000`
*   1 <= sum(products[i].length) <= 2 * 104
*   All the strings of `products` are **unique**.
*   `products[i]` consists of lowercase English letters.
*   `1 <= searchWord.length <= 1000`
*   `searchWord` consists of lowercase English letters.