public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner in = new Scanner(System.in);
Hashtable numbers = new Hashtable();
N = in.nextInt();
K = in.nextLong();
long[] arr = new long[N];
for (int i = 0; i < N; i++) {
arr[i] = in.nextLong();
numbers.put(Long.toString(arr[i]), arr[i]);
}
result = 0;
for (int i = 0; i < N; i++) {
long tmp = 0, tmp2 = 0;
tmp = arr[i] + K;
try {
tmp2 = (Long) numbers.get(Long.toString(tmp));
result++;
} catch (Exception ex) {
}
}
System.out.println(result);
}
public static LinkedList<profile> importer() throws IOException {
LinkedList<profile> people = new LinkedList<profile>();
Scanner sFile;
profile entry;
try {
sFile =
new Scanner(new File("/Users/richarddavies/NetBeansProjects/typ_MatlabGraph/users.dat"));
sFile.nextLine();
while (sFile.hasNext()) {
String profile = sFile.nextLine();
// System.out.println(profile);
Scanner profScan = new Scanner(profile);
profScan.useDelimiter(",");
while (profScan.hasNext()) {
Long id = profScan.nextLong();
String ident = String.valueOf(id);
String rot_Id = rot13.encrypt(ident);
Long rot_IntId = Long.parseLong(rot_Id);
String fname = profScan.next();
String rot_Name = rot13.encrypt(fname);
// String sname = profScan.next();
// int age = profScan.nextInt();
String gender = profScan.next();
String nat = profScan.next();
entry = new profile(id, fname, gender, nat);
// System.out.println("id: "+id+" name: "+fname+" gender: "+gender+" nationality: "+nat);
// System.out.println("id: "+rot_IntId+" name: "+rot_Name+" gender: "+gender+"
// nationality: "+nat);
people.add(entry);
}
}
} catch (IOException ex) {
// return people;
System.out.println("(No System File profile.txt)" + ex);
}
return people;
}
public static LinkedList<edge> importer(MatlabProxy proxy)
throws IOException, MatlabConnectionException, MatlabInvocationException {
Scanner sFile;
edge entry;
LinkedList<edge> tie = new LinkedList<edge>();
Long k, p;
try {
sFile =
new Scanner(new File("/Users/richarddavies/NetBeansProjects/typ_MatlabGraph/edges.dat"));
System.out.println(sFile.nextLine());
while (sFile.hasNext()) {
String edge = sFile.nextLine();
// System.out.println(edge);
Scanner edgeScan = new Scanner(edge);
edgeScan.useDelimiter(",");
while (edgeScan.hasNext()) {
k = edgeScan.nextLong();
System.out.print(k + " ");
String ident_k = String.valueOf(k);
String rot_Id_k = rot13.encrypt(ident_k);
Long rot_k = Long.parseLong(rot_Id_k);
p = edgeScan.nextLong();
System.out.print(p);
String ident_p = String.valueOf(p);
String rot_Id_p = rot13.encrypt(ident_p);
Long rot_p = Long.parseLong(rot_Id_p);
// System.out.println(rot_k+" : "+rot_p);
entry = new edge(k, p);
int n = search.search(k);
int m = search.search(p);
System.out.print(
" : "
+ Typ_MatlabGraph.people.get(n).idProf
+ " "
+ Typ_MatlabGraph.people.get(m).idProf);
System.out.println("");
n++;
m++;
proxy.eval("adjMatrix(" + n + "," + m + ") = 1");
tie.add(entry);
}
}
} catch (IOException ex) {
System.out.println("(No System File profile.txt)" + ex);
}
return tie;
}