int makingAnagrams(string s1, string s2) {
    unordered_map<char, int> mp;
    int deletions = 0;
    for(auto c: s1){
        mp[c]++;
    }
    for(auto c: s2){
        if(mp[c]) mp[c]--;
        else{
            deletions++;
        }
    }
    for(auto item : mp){
        if(item.second > 0){
            deletions += item.second;
        }
    }
    return deletions;
}