C#排序演算法大全

 C#排序演算法大全 土人 2004-7-21 一、冒泡排序(Bubble) 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(); } } } 二、選擇排序(Selection) 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(); } } } 三、插入排序(InsertionSorter) 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(); } } } 四、希爾排序(ShellSorter) 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(); } } }