C#的四种排序方法

// 冒泡排序
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
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 
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.
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();
        }
    }
}