[Solved] Find Highest Divisible Integer In Set By X

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Here is an adaptation of your code that doesn’t require storing intermediate results:

private Int32 GetHighest(Int32 y, out Int32 totalMax)
{
    var Set = new Int32[] { 4, 3, 2 };
    totalMax = int.MinValue;
    int itemMax = int.MinValue;
    foreach (var x in Set)
    {
       int total = x * (y / x);
       if(total >= totalMax && (total > totalMax || x > itemMax))
       {
           totalMax = total;
           itemMax = x;
       }
    }
    return itemMax;
}

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solved Find Highest Divisible Integer In Set By X