C# - 从十进制数组中查找最接近值的索引

# 在C#中查找最接近值的十进制数组索引

csharp
using System;
class Program
{
    static int FindClosestIndex(decimal[] array, decimal target)
    {
        if (array == null || array.Length == 0)
        {
            throw new ArgumentException("数组不能为空或长度不能为零。");
        }
        int closestIndex = 0;
        decimal minDifference = Math.Abs(array[0] - target);
        for (int i = 1; i < array.Length; i++)
        {
            decimal difference = Math.Abs(array[i] - target);
            if (difference < minDifference)
            {
                minDifference = difference;
                closestIndex = i;
            }
        }
        return closestIndex;
    }
    static void Main()
    {
        decimal[] decimalArray = { 1.2m, 3.5m, 6.8m, 8.1m, 10.4m };
        decimal targetValue = 7.0m;
        int closestIndex = FindClosestIndex(decimalArray, targetValue);
        Console.WriteLine($"最接近值 {targetValue} 的索引是 {closestIndex}");
    }
}