1 #include<cstdio> 2 #include<cstring> 3 #include<algorithm> 4 typedef __int64 LL; 5 using namespace std; 6 #define MAXN 1010 7 struct Point 8 { 9 int x,y,z; 10 void Input() 11 { 12 scanf("%d%d%d",&x,&y,&z); 13 } 14 }; 15 struct Rectangle 16 { 17 Point a,b; 18 }; 19 struct Seg 20 { 21 int left,right,high,flag; 22 friend bool operator<(Seg a,Seg b) 23 { 24 if(a.high==b.high) 25 return a.flag<b.flag; 26 return a.high<b.high; 27 } 28 }; 29 struct node 30 { 31 int cover,one,two,more; 32 }; 33 node tree[MAXN<<3]; 34 Rectangle r[MAXN]; 35 Seg s[MAXN<<1]; 36 int X[MAXN<<1]; 37 int Z[MAXN<<1]; 38 inline void PushUp(int L,int R,int rt) 39 { 40 if(tree[rt].cover>2) 41 tree[rt].more=tree[rt].two=tree[rt].one=X[R+1]-X[L]; 42 else if(tree[rt].cover==2) 43 { 44 tree[rt].one=tree[rt].two=X[R+1]-X[L]; 45 if(L==R) 46 tree[rt].more=0; 47 else 48 tree[rt].more=tree[rt<<1].one+tree[rt<<1|1].one; 49 } 50 else if(tree[rt].cover==1) 51 { 52 tree[rt].one=X[R+1]-X[L]; 53 if(L==R) 54 tree[rt].two=tree[rt].more=0; 55 else 56 { 57 tree[rt].two=tree[rt<<1].one+tree[rt<<1|1].one; 58 tree[rt].more=tree[rt<<1].two+tree[rt<<1|1].two; 59 } 60 } 61 else 62 { 63 if(L==R) 64 tree[rt].more=tree[rt].two=tree[rt].one=0; 65 else 66 { 67 tree[rt].more=tree[rt<<1].more+tree[rt<<1|1].more; 68 tree[rt].one=tree[rt<<1].one+tree[rt<<1|1].one; 69 tree[rt].two=tree[rt<<1].two+tree[rt<<1|1].two; 70 } 71 } 72 } 73 void Update(int x,int y,int flag,int L,int R,int rt) 74 { 75 if(x<=L&&R<=y) 76 { 77 tree[rt].cover+=flag; 78 PushUp(L,R,rt); 79 } 80 else 81 { 82 int mid=(L+R)>>1; 83 if(x<=mid) 84 Update(x,y,flag,L,mid,rt<<1); 85 if(y>mid) 86 Update(x,y,flag,mid+1,R,rt<<1|1); 87 PushUp(L,R,rt); 88 } 89 } 90 int main() 91 { 92 LL ans,temp; 93 int t,n,i,j,nx,nz,cnt,x,y,ca=1; 94 scanf("%d",&t); 95 while(t--) 96 { 97 scanf("%d",&n); 98 for(nx=nz=i=0;i<n;i++) 99 { 100 r[i].a.Input(); 101 r[i].b.Input(); 102 X[nx++]=r[i].a.x; 103 X[nx++]=r[i].b.x; 104 Z[nz++]=r[i].a.z; 105 Z[nz++]=r[i].b.z; 106 } 107 sort(X,X+nx); 108 sort(Z,Z+nz); 109 nx=unique(X,X+nx)-X; 110 nz=unique(Z,Z+nz)-Z; 111 ans=0; 112 memset(tree,0,sizeof(tree)); 113 for(i=1;i<nz;i++) 114 { 115 for(cnt=j=0;j<n;j++) 116 { 117 if(r[j].a.z<=Z[i-1]&&Z[i]<=r[j].b.z) 118 { 119 s[cnt].left=r[j].a.x; 120 s[cnt].right=r[j].b.x; 121 s[cnt].high=r[j].a.y; 122 s[cnt++].flag=1; 123 s[cnt].left=r[j].a.x; 124 s[cnt].right=r[j].b.x; 125 s[cnt].high=r[j].b.y; 126 s[cnt++].flag=-1; 127 } 128 } 129 sort(s,s+cnt); 130 for(temp=j=0;j<cnt;j++) 131 { 132 x=lower_bound(X,X+nx,s[j].left)-X; 133 y=lower_bound(X,X+nx,s[j].right)-X; 134 Update(x,y-1,s[j].flag,0,nx-2,1); 135 if(j+1<cnt) 136 temp+=(LL)(s[j+1].high-s[j].high)*tree[1].more; 137 } 138 ans+=temp*(Z[i]-Z[i-1]); 139 } 140 printf("Case %d: %I64d\n",ca++,ans); 141 } 142 return 0; 143 }