1832. Check if the Sentence Is Pangram


A pangram is a sentence where every letter of the English alphabet appears at least once.

Given a string sentence containing only lowercase English letters, return true if sentence is a pangram, or false otherwise.

Example 1:

Input: sentence = "thequickbrownfoxjumpsoverthelazydog"
Output: true
Explanation: sentence contains at least one of every letter of the English alphabet.

Example 2:

Input: sentence = "leetcode"
Output: false


1 <= sentence.length <= 1000
sentence consists of lowercase English letters.


简单题目,就不多说了. 用数字的ascii码值去进行匹配即可.


class Solution {
    func checkIfPangram(_ sentence: String) -> Bool {
        for i in 97...122 {
            if !sentence.contains(Character(UnicodeScalar(i)!)){
                return false 
        return true