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| #include <algorithm>
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| #include <functional>
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| #include <numeric>
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| #include <iostream>
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| #include <iomanip>
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| #include <cstdio>
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| #include <cmath>
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| #include <complex>
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| #include <cstdlib>
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| #include <ctime>
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| #include <cstring>
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| #include <cassert>
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| #include <string>
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| #include <vector>
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| #include <list>
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| #include <map>
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| #include <set>
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| #include <deque>
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| #include <queue>
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| #include <stack>
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| #include <bitset>
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| #include <sstream>
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| using namespace std;
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|
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| #define LL long long
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| #define LD long double
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| #define PR pair<int,int>
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| #define Fox(i,n) for (i=0; i<n; i++)
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| #define Fox1(i,n) for (i=1; i<=n; i++)
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| #define FoxI(i,a,b) for (i=a; i<=b; i++)
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| #define FoxR(i,n) for (i=(n)-1; i>=0; i--)
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| #define FoxR1(i,n) for (i=n; i>0; i--)
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| #define FoxRI(i,a,b) for (i=b; i>=a; i--)
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| #define Foxen(i,s) for (i=s.begin(); i!=s.end(); i++)
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| #define Min(a,b) a=min(a,b)
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| #define Max(a,b) a=max(a,b)
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| #define Sz(s) int((s).size())
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| #define All(s) (s).begin(),(s).end()
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| #define Fill(s,v) memset(s,v,sizeof(s))
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| #define pb push_back
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| #define mp make_pair
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| #define x first
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| #define y second
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|
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| template<typename T> T Abs(T x) { return(x<0 ? -x : x); }
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| template<typename T> T Sqr(T x) { return(x*x); }
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| const int INF = (int)1e9;
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| const LD EPS = 1e-12;
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| const LD PI = acos(-1.0);
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|
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| bool Read(int &x)
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| {
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| char c,r=0,n=0;
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| x=0;
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| for(;;)
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| {
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| c=getchar();
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| if ((c<0) && (!r))
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| return(0);
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| if ((c=='-') && (!r))
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| n=1;
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| else
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| if ((c>='0') && (c<='9'))
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| x=x*10+c-'0',r=1;
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| else
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| if (r)
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| break;
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| }
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| if (n)
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| x=-x;
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| return(1);
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| }
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|
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| int main()
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| {
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| int T,t;
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| int N,R;
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| int i,a,b,c,d,cur,ans;
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| int X[50],Y[50];
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| Read(T);
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| Fox1(t,T)
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| {
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| Read(N),Read(R);
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| Fox(i,N)
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| Read(X[i]),Read(Y[i]);
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| ans=0;
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| Fox(a,N)
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| Fox(b,N)
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| Fox(c,N)
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| Fox(d,N)
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| {
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| cur=0;
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| Fox(i,N)
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| cur+=(X[i]>=X[a] && X[i]<=X[a]+R && Y[i]>=Y[b] && Y[i]<=Y[b]+R) ||
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| (X[i]>=X[c] && X[i]<=X[c]+R && Y[i]>=Y[d] && Y[i]<=Y[d]+R);
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| Max(ans,cur);
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| }
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| printf("Case #%d: %d\n",t,ans);
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| }
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| return(0);
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| } |
