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  • 编程实践64

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    
    namespace Point
    {
        class Program
        {
            static void Main(string[] args)
            {
                int n;
                double x;
                double[,] pt;
                int i, j;
                double dblmax;
                int p1, p2;
    
                Console.Write("请输入点的个数:");
                n = Convert.ToInt32(Console.ReadLine());
                pt = new double[n, 2];
                for (i = 0; i < pt.GetLength(0); i++)
                {
                    Console.Write("请输入第{0}点的横坐标:", i + 1);
                    pt[i, 0] = Convert.ToDouble(Console.ReadLine());
                    Console.Write("请输入第{0}点的纵坐标:", i + 1);
                    pt[i, 1] = Convert.ToDouble(Console.ReadLine());
                }
    
                dblmax = 0;
                p1 = 0;
                p2 = 0;
                for (i = 0; i < pt.GetLength(0) - 1; i++)
                {
                    for (j = i + 1; j < pt.GetLength(0); j++)
                    {
                        x = bz(pt[i, 0], pt[j, 0], pt[i, 1], pt[j, 1]);
                        if ( x > dblmax)
                        {
                            dblmax = x;
                            p1 = i;
                            p2 = j;
                        }
                    } 
                }
    
                Console.WriteLine("第{0}个点({1},{2})与第{3}个点({4},{5})之间的距离最大,为{6}", p1 + 1, pt[p1, 0], pt[p1, 1], p2 + 1, pt[p2, 0], pt[p2, 1], dblmax);
                Console.ReadKey();
            }
            public static double bz(double x1,double x2,double y1,double y2)
            {
    
                return Math.Sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));
            }
        }
    }
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  • 原文地址:https://www.cnblogs.com/Wzqa/p/2812373.html
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