using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
public class MyStringifiedNumberComparer : IEqualityComparer<string> {
public bool Equals(string x, string y) {
return (Int32.Parse(x) == Int32.Parse(y));
}
public int GetHashCode(string obj) {
return Int32.Parse(obj).ToString().GetHashCode();
}
}
public class MainClass {
public static void Main() {
string[] stringifiedNums = {"001", "49", "017", "0080", "00027", "2" };
bool contains = stringifiedNums.Contains("2",new MyStringifiedNumberComparer());
Console.WriteLine(contains);
}
}
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