c#在具有两列和两个数字参数的列表中查找最接近的两个数字

using System;
using System.Collections.Generic;

class Program
{
    static void Main()
    {
        List<Tuple<int, int>> numbers = new List<Tuple<int, int>>();
        numbers.Add(new Tuple<int, int>(1, 5));
        numbers.Add(new Tuple<int, int>(2, 8));
        numbers.Add(new Tuple<int, int>(3, 12));
        numbers.Add(new Tuple<int, int>(4, 3));
        numbers.Add(new Tuple<int, int>(5, 10));

        int target = 7;
        Tuple<int, int> closestNumbers = FindClosestNumbers(numbers, target);

        Console.WriteLine($"Closest numbers to {target}: {closestNumbers.Item1}, {closestNumbers.Item2}");
    }

    static Tuple<int, int> FindClosestNumbers(List<Tuple<int, int>> numbers, int target)
    {
        int minDiff = int.MaxValue;
        Tuple<int, int> closestNumbers = null;

        foreach (var number in numbers)
        {
            int diff = Math.Abs(number.Item2 - target);
            if (diff < minDiff)
            {
                minDiff = diff;
                closestNumbers = number;
            }
        }

        return closestNumbers;
    }
}