数组插入数据

using System;

using System.Collections.Generic;

using System.Text;

namespace ConsoleApplication1

{

class Program

{

protected void Select(int sel)

{

int addi, i, j;

int[] arr1 = new int[] {1,2,3,4,6,7,8,9};//已排序好的数组，若是无序的则先要将数组排序方可插入数据

addi = arr1.Length;

int[] arr2=new int[addi+1];

for (i = 0; i < arr1.Length;i++ )

{

if(arr1[i]<=sel&&arr1[i+1]>=sel)

{

for(j=0;j<i+1;j++)

{

arr2[j]=arr1[j];

}

arr2[j] = sel;//此时索引为j而不是j+1，因为已经进行过j++运算

for(i=j+1;i<arr2.Length;i++)

{

arr2[i] = arr1[i - 1];

}

}

}

Console.Write("Origin array is:");

for (i = 0; i < arr1.Length; i++)

{

Console.Write(arr1[i]);

}

Console.Write("\nOperaton is ok!New array is:");

for (i = 0; i < arr2.Length;i++ )

{

Console.Write(arr2[i]);

}

}

static void Main(string[] args)

{

Program p = new Program();

while(true)

{

Console.Write("Please type an integer which you want to insert:");

p.Select((int)Convert.ToInt32(Console.ReadLine()));

Console.ReadLine();

}

}

}

}