通道
class node
{
int x;
int y;
}
class cmp implements Comparator
{
public int compare(node a, node b)
{
if(a.x - b.x != 0) return a.x - b.x;
else return a.y - b.y;
}
}
Arrays.sort(s,0,n,new cmp()); 对s数组排序
通道
class node
{
int x;
int y;
}
class cmp implements Comparator
{
public int compare(node a, node b)
{
if(a.x - b.x != 0) return a.x - b.x;
else return a.y - b.y;
}
}
Arrays.sort(s,0,n,new cmp()); 对s数组排序
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