2828. Check if a String Is an Acronym of Words

Runtime    1 ms
Beats      100%


Memory     43.6 MB
Beats      69.38%


class Solution {
    public boolean isAcronym(List<String> words, String s) {
        int i=0;
        if(words.size()!=s.length())
            return false;
        for(char c:s.toCharArray()){
            if(words.get(i).charAt(0) == c){
                i++;
            }else{
                return false;
            }
        }
        return true;
    }
}