2942. Find Words Containing Character

QUESTION:

You are given a 0-indexed array of strings words and a character x.

Return an array of indices representing the words that contain the character x.

Note that the returned array may be in any order.

Example 1:

Input: words = ["leet","code"], x = "e"
Output: [0,1]
Explanation: "e" occurs in both words: "leet", and "code". Hence, we return indices 0 and 1.

Example 2:

Input: words = ["abc","bcd","aaaa","cbc"], x = "a"
Output: [0,2]
Explanation: "a" occurs in "abc", and "aaaa". Hence, we return indices 0 and 2.

Example 3:

Input: words = ["abc","bcd","aaaa","cbc"], x = "z"
Output: []
Explanation: "z" does not occur in any of the words. Hence, we return an empty array.

Constraints:

1 <= words.length <= 50
1 <= words[i].length <= 50
x is a lowercase English letter.
words[i] consists only of lowercase English letters.

EXPLANATION:

一个for循环就可以搞定

SOLUTION:

class Solution {
    func findWordsContaining(_ words: [String], _ x: Character) -> [Int] {
        var result: [Int] = []
        for i in 0..<words.count {
            if words[i] .contains(x) {
                result.append(i)
            }
        }
        return result
    }
}
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