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/*ÀàËÆÓÚ¿ìÅŵÄÒ»´ÎÅÅÐò*/
int fun(int a[],int n,int k) /*n¸öÊýµÄ¸öÊý£¬kΪËùÒªÇóµÄµÚ¼¸´óµÄÊý*/
{
int key=a[k-1];
int i=0,j=n-1;
while(i!=k-1&&j!=k-1)
{
while(i while(j>k-1&&a[j]>key) j--;
exchange(a,a[j]);
}
if(i=k-1)
{
while(j!=k-1)
{
while(j>k-1&&a[j]>key) j--;
exchange(key,a[j]);
}
}
if(j=k-1)
{
while(i!=k-1)
{
while(i>k-1&&a>key) i++;
exchange(key,a);
}

}
return key;
}


void exchange(int a,int b) /* ½»»»a£¬bµÄÖµ*/
{
a=a+b;
b=a-b;
a=a-b;
}
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ÓàÔó³É: ½ð±Ò+1, ¹ÄÀø½»Á÷£¡ 2012-03-23 16:40:43
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7Â¥2012-03-19 17:07:48
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