1 冒泡排序法
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#region 冒泡排序法
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public void Sort(int[] list)
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{
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long begintime = System.DateTime.Now.Second*1000+System.DateTime.Now.Millisecond;
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WriteLine(begintime);
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int j,temp;
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j= 1;
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while((j<list.Length))
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{
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for(int i=0;i<list.Length -j;i++)
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{
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if(list[i]<list[i+1])
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{
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temp = list[i];
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list[i] = list[i+1];
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list[i+1] = temp;
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}
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}
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j++;
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}
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long endtime = System.DateTime.Now.Second*1000+System.DateTime.Now.Millisecond;
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WriteLine(endtime);
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WriteLine(endtime-begintime);
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}
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#endregion
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2 选择排序法
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#region 选择排序法
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public void SortChoice(int [] list)
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{
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long begintime = System.DateTime.Now.Millisecond;
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int min;
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for(int i=0;i<list.Length-1;i++)
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{
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min=i;
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for(int j=i+1;j<list.Length;j++)
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{
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if(list[j]<list[min])
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min=j;
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}
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int t=list[min];
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list[min]=list[i];
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list[i]=t;
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}
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long endtime = System.DateTime.Now.Millisecond;
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WriteLine(begintime);
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WriteLine(endtime);
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WriteLine(endtime-begintime);
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}
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#endregion
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3 插入排序法
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#region 插入排序法
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public void SortInsert(int [] list)
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{
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for(int i=1;i<list.Length;i++)
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{
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int t=list[i];
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int j=i;
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while((j>0)&&(list[j-1]<t))
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{
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list[j]=list[j-1];
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--j;
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}
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list[j]=t;
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}
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}
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#endregion
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4 希尔排序法
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#region 希尔排序法
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public void SortShell(int [] list)
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{
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int inc;
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for(inc=1;inc<=list.Length/9;inc=3*inc+1);
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for(;inc>0;inc/=3)
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{
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for(int i=inc+1;i<=list.Length;i+=inc)
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{
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int t=list[i-1];
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int j=i;
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while((j>inc)&&(list[j-inc-1]>t))
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{
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list[j-1]=list[j-inc-1];
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j-=inc;
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}
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list[j-1]=t;
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}
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}
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}
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#endregion
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