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  1. Prepare
  2. Algorithms
  3. Strings
  4. Game of Thrones - I
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Game of Thrones - I

  • alban_tyrex
     + 0 comments

    Here is my c++ solution : explanation here : https://youtu.be/yhSaL48IHds

    solution 1 : 

    string gameOfThrones(string s) {
    map<char, int> mp;
    for(int i = 0; i < s.size(); i++){
        if(mp[s[i]] != 0){
            mp[s[i]]--;
            if(mp[s[i]] == 0) mp.erase(s[i]);
        }
        else mp[s[i]]++;
    }
    if(mp.size() > 1) return "NO";
    return "YES";
}

    solution 2 : 

    string gameOfThrones(string s) {
    map<char, int> mp;
    for(int i = 0; i < s.size(); i++){
        if(mp[s[i]] == 1)  mp.erase(s[i]);
        else mp[s[i]]++;
    }
    if(mp.size() > 1) return "NO";
    return "YES";
}