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  1. Prepare
  2. Java
  3. Data Structures
  4. Java Hashset
  5. Discussions

Java Hashset

  • eduardopalmeida
     + 21 comments

    A simple solution

        HashSet<String> pairs = new HashSet<String>(t);

    for(int i = 0; i < t; i++)
    {
        pairs.add("(" + pair_left[i] + ", " + pair_right[i] + ")" );
        System.out.println(pairs.size());        
    }