How to Efficiently Convert a Base 10 Integer to Any Base in C#?

C#efficiently realize the conversion of decimal integers to any advancement

The method of C#easily converts numbers into string representation forms of specific advancement (2, 8, 10, and 16). However, if you need to use a custom character to convert to any advancement, this method will seem powerless.

Custom conversion in advance Convert.ToString

In order to overcome this limit, we can create a custom tool function, such as Method:

Use array buffer to improve performance IntToString

<code class="language-csharp">public static string IntToString(int value, char[] baseChars)
{
    string result = string.Empty;
    int targetBase = baseChars.Length;

    do
    {
        result = baseChars[value % targetBase] + result;
        value = value / targetBase;
    } 
    while (value > 0);

    return result;
}</code>

For larger input values, the use of array buffer instead of string connection can significantly improve performance:

Example

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