LeetCode 0242 - Valid Anagram

Input: s = "anagram", t = "nagaram"
Output: true

Input: s = "rat", t = "car"
Output: false

class Solution {
public:
    bool isAnagram(string s, string t) {
        vector<int> s_cnt(26, 0);
        vector<int> t_cnt(26, 0);
        for(const auto& a : s) {
            s_cnt[a - 'a']++;
        }
        for(const auto& a : t) {
            t_cnt[a - 'a']++;
        }
        return s_cnt == t_cnt;
    }
};