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

Game of Thrones - I

  • pradeep_tarakar
     + 0 comments

    My C++ Solution: (gist is: To make a string into palindrome - there should not be multiple characters with odd freq)

    string gameOfThrones(string s) {
    char arr[26] ={0};
    bool odd = false; 
    
    for(int i=0; i<s.size(); i++){
        if(arr[s[i]-'a']){
            arr[s[i]-'a']--;
        }else{
            arr[s[i]-'a']++;
        }
    }
    for(int i=0; i<26; i++){
        if(arr[i]%2 != 0 ){
            if( odd == true)
                return "NO";
            else odd = true;
        }
    }
    return "YES";
}