111 lines
2.2 KiB
C++
111 lines
2.2 KiB
C++
#include <iostream>
|
|
#include <cstdlib>
|
|
#include <cstdio>
|
|
#include <algorithm>
|
|
using namespace std;
|
|
int n,x[210],y[210],d[210],rx[210],ry[210];
|
|
struct heap
|
|
{
|
|
int t1,t2;
|
|
bool cmp(const int &u,const int &v)
|
|
{ return t1*x[u]+t2*y[u]>t1*x[v]+t2*y[v]; }
|
|
int n,h[210],e[210];
|
|
void del(int i)
|
|
{
|
|
e[h[i]]=0;
|
|
if (i==n)
|
|
{ n--; return; }
|
|
h[i]=h[n--]; e[h[i]]=i;
|
|
down(i); up(i);
|
|
}
|
|
void build(void)
|
|
{
|
|
for(int i=(n>>1);i>=1;i--)
|
|
down(i);
|
|
}
|
|
void up(int i)
|
|
{
|
|
int t,j;
|
|
while(i>1)
|
|
{
|
|
j=(i>>1);
|
|
if (cmp(h[i],h[j]))
|
|
{
|
|
t=h[i]; h[i]=h[j]; h[j]=t;
|
|
e[h[i]]=i; e[h[j]]=j;
|
|
}
|
|
else break;
|
|
i=j;
|
|
}
|
|
}
|
|
void down(int i)
|
|
{
|
|
int t,j;
|
|
while((j=(i<<1))<=n)
|
|
{
|
|
if (j<n&&cmp(h[j+1],h[j])) j++;
|
|
if (cmp(h[j],h[i]))
|
|
{
|
|
t=h[i]; h[i]=h[j]; h[j]=t;
|
|
e[h[i]]=i; e[h[j]]=j;
|
|
}
|
|
else break;
|
|
i=j;
|
|
}
|
|
}
|
|
}h1,h2,h3,h4;
|
|
int main(void)
|
|
{
|
|
int u,c,i,l1,r1,l2,r2;
|
|
scanf("%d",&c);
|
|
for(u=1;u<=c;u++)
|
|
{
|
|
scanf("%d",&n);
|
|
h1.n=h2.n=h3.n=h4.n=n;
|
|
for(i=1;i<=n;i++)
|
|
{
|
|
scanf("%d%d%d",x+i,y+i,d+i);
|
|
h1.h[i]=h1.e[i]=i;
|
|
h2.h[i]=h2.e[i]=i;
|
|
h3.h[i]=h3.e[i]=i;
|
|
h4.h[i]=h4.e[i]=i;
|
|
}
|
|
h1.t1=1; h1.t2=1;
|
|
h2.t1=-1; h2.t2=1;
|
|
h3.t1=-1; h3.t2=-1;
|
|
h4.t1=1; h4.t2=-1;
|
|
h1.build();
|
|
h2.build();
|
|
h3.build();
|
|
h4.build();
|
|
for(i=n;i>=1;i--)
|
|
{
|
|
l1=x[h1.h[1]]+y[h1.h[1]]-d[i];
|
|
r1=x[h3.h[1]]+y[h3.h[1]]+d[i];
|
|
l2=-x[h2.h[1]]+y[h2.h[1]]-d[i];
|
|
r2=-x[h4.h[1]]+y[h4.h[1]]+d[i];
|
|
if (i<n)
|
|
{
|
|
r1=min(r1,rx[i+1]+ry[i+1]+d[i+1]-d[i]);
|
|
l1=max(l1,rx[i+1]+ry[i+1]-d[i+1]+d[i]);
|
|
r2=min(r2,-rx[i+1]+ry[i+1]+d[i+1]-d[i]);
|
|
l2=max(l2,-rx[i+1]+ry[i+1]-d[i+1]+d[i]);
|
|
}
|
|
if ((l1+l2)%2!=0)
|
|
if (l1<r1)
|
|
l1++;
|
|
else l2++;
|
|
rx[i]=(l1-l2)/2;
|
|
ry[i]=(l1+l2)/2;
|
|
h1.del(h1.e[i]);
|
|
h2.del(h2.e[i]);
|
|
h3.del(h3.e[i]);
|
|
h4.del(h4.e[i]);
|
|
}
|
|
printf("Case %d:\n",u);
|
|
for(i=1;i<=n;i++)
|
|
printf("%d %d\n",rx[i],ry[i]);
|
|
}
|
|
return 0;
|
|
}
|