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- import java.io.BufferedReader;
- import java.io.IOException;
- import java.io.InputStreamReader;
- import java.util.ArrayList;
- class MapEntry<K extends Comparable<K>, E> implements Comparable<K> {
- K key;
- E value;
- public MapEntry(K key, E val) {
- this.key = key;
- this.value = val;
- }
- public int compareTo(K that) {
- @SuppressWarnings("unchecked")
- MapEntry<K, E> other = (MapEntry<K, E>) that;
- return this.key.compareTo(other.key);
- }
- public String toString() {
- return "<" + key + "," + value + ">";
- }
- }
- class OBHT<K extends Comparable<K>, E> {
- private MapEntry<K, E>[] buckets;
- static final int NONE = -1; // ... distinct from any bucket index.
- @SuppressWarnings({"rawtypes", "unchecked"})
- private static final MapEntry former = new MapEntry(null, null);
- private int occupancy = 0;
- @SuppressWarnings("unchecked")
- public OBHT(int m) {
- buckets = (MapEntry<K, E>[]) new MapEntry[m];
- }
- private int hash(K key) {
- return Math.abs(key.hashCode()) % buckets.length;
- }
- public MapEntry<K, E> getBucket(int i) {
- return buckets[i];
- }
- public int search(K targetKey) {
- int x = hash(targetKey);
- int n = 0;
- for (;;) {
- MapEntry<K, E> oldEntry = buckets[x];
- if (oldEntry == null) {
- return NONE;
- } else if (targetKey.equals(oldEntry.key)) {
- return x;
- } else {
- x = (x+1) % buckets.length;
- n++;
- if (n == buckets.length) {
- return NONE;
- }
- }
- }
- }
- public void insert(K key, E val) {
- MapEntry<K, E> newEntry = new MapEntry<K, E>(key, val);
- int x = hash(key);
- int n = 0;
- for (;;) {
- MapEntry<K, E> oldEntry = buckets[x];
- if (oldEntry == null) {
- if (++occupancy == buckets.length) {
- System.out.println("Hash tabelata e polna!!!");
- }
- buckets[x] = newEntry;
- return;
- } else if (oldEntry == former
- || key.equals(oldEntry.key)) {
- buckets[x] = newEntry;
- return;
- } else {
- x = (x+1) % buckets.length;
- n++;
- if (n == buckets.length) {
- return;
- }
- }
- }
- }
- @SuppressWarnings("unchecked")
- public void delete(K key) {
- int x = hash(key);
- int n = 0;
- for (;;) {
- MapEntry<K, E> oldEntry = buckets[x];
- if (oldEntry == null) {
- return;
- } else if (key.equals(oldEntry.key)) {
- buckets[x] = former;
- return;
- } else {
- x = (x+1) % buckets.length;
- n++;
- if (n == buckets.length) {
- return;
- }
- }
- }
- }
- public String toString() {
- String pom = "";
- for (int i = 0; i < buckets.length; i++) {
- pom += i + ":";
- if (buckets[i] == null) {
- pom += "\n";
- } else if (buckets[i] == former) {
- pom += "former\n";
- } else {
- pom += buckets[i] + "\n";
- }
- }
- return pom;
- }
- }
- class Word implements Comparable<Word> {
- String word;
- public Word(String word) {
- this.word = word;
- }
- @Override
- public boolean equals(Object obj) {
- Word pom = (Word) obj;
- return this.word.equals(pom.word);
- }
- @Override
- public int hashCode() {
- char[] st = word.toCharArray();
- int suma = 0;
- for (int i = 0; i < st.length; i++) {
- suma += st[i];
- }
- return suma;
- }
- @Override
- public String toString() {
- return word;
- }
- @Override
- public int compareTo(Word arg0) {
- return word.compareTo(arg0.word);
- }
- }
- public class Preveduvac {
- public static void main(String[] args) throws IOException {
- OBHT<Word, String> tabela;
- BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
- int N = Integer.parseInt(br.readLine());
- //---Vie odluchete za goleminata na hesh tabelata----
- tabela = new OBHT<Word, String>(101);
- for (int i = 1; i <= N; i++) {
- String imelozinka = br.readLine();
- String[] pom = imelozinka.split(" ");
- tabela.insert(new Word(pom[1]), pom[0]);
- }
- ArrayList<Word> niza = new ArrayList<>();
- while (true) {
- String s = br.readLine();
- if (s.equals("KRAJ")) {
- break;
- }
- niza.add(new Word(s));
- }
- int y;
- for (int i = 0; i < niza.size(); i++) {
- y = tabela.search(niza.get(i));
- if (y == -1) {
- System.out.println("/");
- } else {
- System.out.println(tabela.getBucket(y).value);
- }
- }
- }
- }
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