71 lines
1.5 KiB
C#
71 lines
1.5 KiB
C#
using System.Collections;
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using KlipsLibrary;
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namespace KlipsLibrary;
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public class Solution {
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public int NumUniqueEmails(string[] emails)
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{
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HashSet<string> sent = new();
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foreach (var email in emails)
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{
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var domain = email.Substring(email.IndexOf("@"), email.Length);
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var to = email.Substring(0, email.IndexOf("@"));
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if (to.Contains(".")) to = to.Replace(".", "");
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to = to.Remove(to.IndexOf("+"));
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Console.Write("{0} at {1}", to, domain);
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sent.Add(to + "@" + domain);
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}
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return sent.Count;
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}
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}
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public abstract class Animal
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{
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public Animal(string n, string p)
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{
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this.Name = n;
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this.Phrase = p;
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}
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public abstract void Speak();
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private string name;
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public string Name { get; set; }
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private string phrase;
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public string Phrase { get; set; }
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}
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public class Dog : Animal
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{
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public Dog(string n, string p) : base(n, p) { }
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public override void Speak()
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{
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Console.WriteLine("{0} (Dog): {1}", Name, Phrase);
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}
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}
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public class Human : Animal
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{
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public Human(string n, string p) : base(n, p) { }
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public override void Speak()
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{
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Console.WriteLine("{0} (Human): {1}", Name, Phrase);
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}
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}
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public class Teacher : Human, IComparable, ICloneable
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{
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public Teacher(string n, string p) : base(n, p) { }
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public int CompareTo(object? obj)
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{
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throw new NotImplementedException();
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}
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public object Clone()
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{
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throw new NotImplementedException();
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}
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}
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