给你一个数组 items
,其中 items[i] = [typei, colori, namei]
,描述第 i
件物品的类型、颜色以及名称。
另给你一条由两个字符串 ruleKey
和 ruleValue
表示的检索规则。
如果第 i
件物品能满足下述条件之一,则认为该物品与给定的检索规则 匹配 :
- ruleKey == "type" 且 ruleValue == typei 。
- ruleKey == "color" 且 ruleValue == colori 。
- ruleKey == "name" 且 ruleValue == namei 。
统计并返回 匹配检索规则的物品数量 。
示例 1:
输入:items = [["phone","blue","pixel"],["computer","silver","lenovo"],["phone","gold","iphone"]], ruleKey = "color", ruleValue = "silver"
输出:1
解释:只有一件物品匹配检索规则,这件物品是 ["computer","silver","lenovo"] 。
示例 2:
输入:items = [["phone","blue","pixel"],["computer","silver","phone"],["phone","gold","iphone"]], ruleKey = "type", ruleValue = "phone"
输出:2
解释:只有两件物品匹配检索规则,这两件物品分别是 ["phone","blue","pixel"] 和 ["phone","gold","iphone"] 。注意,["computer","silver","phone"] 未匹配检索规则。
提示:
1 <= items.length <= 10^4
1 <= typei.length, colori.length, namei.length, ruleValue.length <= 10
ruleKey
等于"type"
、"color"
或"name"
- 所有字符串仅由小写字母组成
来源:力扣(LeetCode) 链接:https://leetcode-cn.com/problems/count-items-matching-a-rule 著作权归领扣网络所有。商业转载请联系官方授权,非商业转载请注明出处。