242_ValidAnagram - a920604a/leetcode GitHub Wiki

class Solution {
public:
    bool isAnagram(string s, string t) {
        sort(s.begin(), s.end());
        sort(t.begin(), t.end());
        return s==t;
    }
};

class Solution {
public:
    bool isAnagram(string s, string t) {
        vector<int> vec(26,0);
        for(char c:s) vec[c-'a']++;
        for(char c:t) vec[c-'a']--;
        return vec==vector<int>(26,0);
    }
};