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Smp_Selecpass(ListType
&r,int
i)
{
k=i;
for(j=i+1;j<n;i++)
if
(r[j].key<r[k].key)
k=j;
if (k!=i)
{
t=r[i];r[i]=r[k];r[k]=t;}
}
Smp_Sort(ListType
&r)
{
for(i=1;i<n-1;i++)
Smp_Selecpass(r,i);
}
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{k1,k2,...,kn}µ±ÇÒ½öµ±Âú×ãÏÂÁйØϵʱ£¬³Æ֮Ϊ¶Ñ¡£¹Øϵһ£ºki<=k2i
¹Øϵ¶þ£ºki<=k2i+1£¨i=1,2,...,n/2)
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sift(ListType &r,int k,int m)
{
i=k;j=2*i;x=r[k].key;finished=FALSE;
t=r[k];
while((j<=m)&&(!finished))
{
if
((j<m)&&(r[j].key>r[j+1].key))
j++;
if (x<=r[j].key)
finished:=TRUE;
else
{r[i]=r[j];i=j;j=2*i;}
}
r[i]=t;
}
HeapSort(ListType
&r)
{
for(i=n/2;i>0;i--)
sift(r,i,n);
for(i=n;i>1;i--){
r[1]<->r[i];
sift(r,i,i-1)
}
}
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merge(ListType r,int
l,int m,int
n,ListType &r2)
{
i=l;j=m+1;k=l-1;
while(i<=m)
and(j<n) do
{
k=k+1;
if
(r[i].key<=r[j].key)
{r2[k]=r[i];i++;}
else {r2[i]=r[j];j++}
}
if (i<=m)
r2[k+1..n]=r[i..m];
if (j<=n)
r2[k+1..n]=r[j..n];
}
mergesort(ListType
&r,ListType
&r1,int s,int t)
{
if (s==t)
r1[s]=r[s];
else
{
mergesort(r,r2,s,s+t/2);
mergesort(r,r2,s+t/2+1,t);
merge(r2,s,s+t/2,t,r1);
}
]
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