using System;namespace ConsoleApplication1 { class Program { static void Main(string[] args) { Console.WriteLine("Enter a number for each line, enter 4:"); int[] arr = new int[4]; int i = 0; while (i < 4) { Console.Write("Enter number [" + i.ToString() + "] : "); string s = Console.ReadLine(); if (int.TryParse(s,out arr[i])) { i++; } } Array.Sort(arr); Console.WriteLine("Sorted array:"); foreach (int n in arr) Console.Write(n.ToString() + "\t"); Console.ReadLine(); } } }
结果Enter a number for each line, enter 4: Enter number [0] : 43 Enter number [1] : 12 Enter number [2] : 655 Enter number [3] : 7532 Sorted array: 12 43 655 7532
冒泡排序using System;namespace BubbleSorter { public class BubbleSorter { public void Sort(int [] list) { int i,j,temp; bool done=false; j=1; while((j<list.Length)&&(!done)) { done=true; for(i=0;i<list.Length-j;i++) { if(list[i]>list[i+1]) { done=false; temp=list[i]; list[i]=list[i+1]; list[i+1]=temp; } } j++; } } } public class MainClass { public static void Main() { int[] iArrary=new int[]{1,5,13,6,10,55,99,2,87,12,34,75,33,47}; BubbleSorter sh=new BubbleSorter(); sh.Sort(iArrary); for(int m=0;m<iArrary.Length;m++) Console.Write("{0} ",iArrary[m]); Console.WriteLine(); } } } 选择排序 using System; namespace SelectionSorter { public class SelectionSorter { private int min; public void Sort(int [] list) { for(int i=0;i<list.Length-1;i++) { min=i; for(int j=i+1;j<list.Length;j++) { if(list[j]<list[min]) min=j; } int t=list[min]; list[min]=list[i]; list[i]=t; } } } public class MainClass { public static void Main() { int[] iArrary=new int[]{1,5,3,6,10,55,9,2,87,12,34,75,33,47}; SelectionSorter ss=new SelectionSorter(); ss.Sort(iArrary); for(int m=0;m<iArrary.Length;m++) Console.Write("{0} ",iArrary[m]); Console.WriteLine(); } } } 插入排序 using System;namespace InsertionSorter { public class InsertionSorter { public void Sort(int [] list) { for(int i=1;i<list.Length;i++) { int t=list[i]; int j=i; while((j>0)&&(list[j-1]>t)) { list[j]=list[j-1]; --j; } list[j]=t; } } } public class MainClass { public static void Main() { int[] iArrary=new int[]{1,13,3,6,10,55,98,2,87,12,34,75,33,47}; InsertionSorter ii=new InsertionSorter(); ii.Sort(iArrary); for(int m=0;m<iArrary.Length;m++) Console.Write("{0}",iArrary[m]); Console.WriteLine(); } } } 希尔排序 希尔排序是将组分段,进行插入排序. using System; namespace ShellSorter { public class ShellSorter { public void Sort(int [] list) { int inc; for(inc=1;inc<=list.Length/9;inc=3*inc+1); for(;inc>0;inc/=3) { for(int i=inc+1;i<=list.Length;i+=inc) { int t=list[i-1]; int j=i; while((j>inc)&&(list[j-inc-1]>t)) { list[j-1]=list[j-inc-1]; j-=inc; } list[j-1]=t; } } } } public class MainClass { public static void Main() { int[] iArrary=new int[]{1,5,13,6,10,55,99,2,87,12,34,75,33,47}; ShellSorter sh=new ShellSorter(); sh.Sort(iArrary); for(int m=0;m<iArrary.Length;m++) Console.Write("{0} ",iArrary[m]); Console.WriteLine(); } } }
using System;namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Enter a number for each line, enter 4:");
int[] arr = new int[4];
int i = 0;
while (i < 4)
{
Console.Write("Enter number [" + i.ToString() + "] : ");
string s = Console.ReadLine();
if (int.TryParse(s,out arr[i]))
{
i++;
}
}
Array.Sort(arr);
Console.WriteLine("Sorted array:");
foreach (int n in arr) Console.Write(n.ToString() + "\t");
Console.ReadLine();
}
}
}
Enter number [0] : 43
Enter number [1] : 12
Enter number [2] : 655
Enter number [3] : 7532
Sorted array:
12 43 655 7532
选择排序 using System;
namespace SelectionSorter { public class SelectionSorter { private int min; public void Sort(int [] list) { for(int i=0;i<list.Length-1;i++) { min=i; for(int j=i+1;j<list.Length;j++) { if(list[j]<list[min]) min=j; } int t=list[min]; list[min]=list[i]; list[i]=t; } } } public class MainClass { public static void Main() { int[] iArrary=new int[]{1,5,3,6,10,55,9,2,87,12,34,75,33,47}; SelectionSorter ss=new SelectionSorter(); ss.Sort(iArrary); for(int m=0;m<iArrary.Length;m++) Console.Write("{0} ",iArrary[m]); Console.WriteLine(); } } }
插入排序 using System;namespace InsertionSorter { public class InsertionSorter { public void Sort(int [] list) { for(int i=1;i<list.Length;i++) { int t=list[i]; int j=i; while((j>0)&&(list[j-1]>t)) { list[j]=list[j-1]; --j; } list[j]=t; } } } public class MainClass { public static void Main() { int[] iArrary=new int[]{1,13,3,6,10,55,98,2,87,12,34,75,33,47}; InsertionSorter ii=new InsertionSorter(); ii.Sort(iArrary); for(int m=0;m<iArrary.Length;m++) Console.Write("{0}",iArrary[m]); Console.WriteLine(); } } }
希尔排序 希尔排序是将组分段,进行插入排序. using System; namespace ShellSorter { public class ShellSorter { public void Sort(int [] list) { int inc; for(inc=1;inc<=list.Length/9;inc=3*inc+1); for(;inc>0;inc/=3) { for(int i=inc+1;i<=list.Length;i+=inc) { int t=list[i-1]; int j=i; while((j>inc)&&(list[j-inc-1]>t)) { list[j-1]=list[j-inc-1]; j-=inc; } list[j-1]=t; } } } } public class MainClass { public static void Main() { int[] iArrary=new int[]{1,5,13,6,10,55,99,2,87,12,34,75,33,47}; ShellSorter sh=new ShellSorter(); sh.Sort(iArrary); for(int m=0;m<iArrary.Length;m++) Console.Write("{0} ",iArrary[m]); Console.WriteLine(); } } }