Count Items Matching a Rule
You are given an array items, where each items[i] = [typei, colori, namei] describes the type, color, and name of the i^th item. You are also given a rule represented by two strings, ruleKey and ruleValue.
The i^th item is said to match the rule if one of the following is true:
ruleKey == "type"andruleValue == typei.ruleKey == "color"andruleValue == colori.ruleKey == "name"andruleValue == namei.
Return the number of items that match the given rule.
Example 1
Input
items = [["phone","blue","pixel"],["computer","silver","lenovo"],["phone","gold","iphone"]], ruleKey = "color", ruleValue = "silver"Output
1There is only one item matching the given rule, which is ["computer","silver","lenovo"].
Example 2
Input
items = [["phone","blue","pixel"],["computer","silver","phone"],["phone","gold","iphone"]], ruleKey = "type", ruleValue = "phone"Output
2There are only two items matching the given rule, which are ["phone","blue","pixel"] and ["phone","gold","iphone"].
Constraints
- 1 <= items.length <= 10^4
- 1 <= typei.length, colori.length, namei.length, ruleValue.length <= 10
- ruleKey is equal to either "type", "color", or "name".
- All strings consist only of lowercase letters.