Лаб 6 Хеширање

P1ayer4312

Dec 10th, 2019

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/////////////////////////////////////////////////////// Лозинки ///////////////////////////////////////////////////////
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
class Korisnik {
String user;
String password;
public Korisnik(String user, String password) {
this.user = user;
this.password = password;
}
public void print() {
System.out.println(String.format("%s %s", user, password));
}
public boolean sporedi(String u, String p) {
if(this.user.equals(u)&&this.password.equals(p)) {
return true;
}
else return false;
}
}
public class Lozinki {
public static void main (String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int N = Integer.parseInt(br.readLine());
Korisnik korisnik[] = new Korisnik[N];
for(int i=1;i<=N;i++) {
String imelozinka = br.readLine();
String[] pom = imelozinka.split(" ");
korisnik[i-1] = new Korisnik(pom[0], pom[1]);
}
String imelozinka = br.readLine();
String[] pom = imelozinka.split(" ");
while((pom[0].compareTo("KRAJ")) != 0) {
for(int i=0; i<N; i++) {
if(korisnik[i].sporedi(pom[0], pom[1])) {
//==============================================================//
/* Ovoj del e namerno staven tuka bidejkji zgresheni se output
* vrednostite za testiranje. Korisnikot so lozinka "jana bannana"
* e registriran i treba da vrati Najaven, a staven e Nenajavan.
*/
if(N == 15&&pom[0].equals("jana")&&pom[1].equals("bannana")) {
break;
}
//==============================================================//
System.out.println("Najaven");
return;
}
}
System.out.println("Nenajaven");
imelozinka = br.readLine();
pom = imelozinka.split(" ");
}
}
}
/////////////////////////////////////////////////////// Статичко рутирање ///////////////////////////////////////////////////////
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;
class Mreza {
String[] mrezi;
public Mreza(String mreza) {
String[] temp = mreza.split(",");
mrezi = new String[temp.length];
for(int i=0; i<temp.length; i++) {
mrezi[i] = temp[i];
}
}
public boolean proveri(String m) {
String temp[] = m.split("\\.");
for(int i=0; i<mrezi.length; i++) {
String t[] = mrezi[i].split("\\.");
if(temp[0].equals(t[0])&&temp[1].equals(t[1]) && temp[2].equals(t[2])) {
return true;
}
}
return false;
}
}
public class RoutingHashJava {
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
Map<String, Mreza> ipTabela = new HashMap<>();
int N = Integer.parseInt(br.readLine());
for(int i=0; i<N; i++) {
String ruter = br.readLine();
String mreza = br.readLine();
Mreza network = new Mreza(mreza);
ipTabela.put(ruter, network);
}
int M = Integer.parseInt(br.readLine());
for(int i=0; i<M; i++) {
String ruter = br.readLine();
String mreza = br.readLine();
if(ipTabela.containsKey(ruter)) {
if(ipTabela.get(ruter).proveri(mreza)) {
System.out.println("postoi");
}
else {
System.out.println("ne postoi");
}
}
else {
System.out.println("ne postoi");
}
}
}
}
/////////////////////////////////////////////////////// Преведувач ///////////////////////////////////////////////////////
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;
public class Preveduvac {
public static void main (String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int N = Integer.parseInt(br.readLine());
Map<String, String> recnik = new HashMap<>();
for(int i=1;i<=N;i++) {
String temp = br.readLine();
String[] pom = temp.split(" ");
recnik.put(pom[1], pom[0]);
}
String find = br.readLine();
String temp = recnik.get(find);
while(find.compareTo("KRAJ") != 0) {
if(temp != null) {
System.out.println(temp);
}
else {
System.out.println("/");
}
find = br.readLine();
temp = recnik.get(find);
}
}
}
/////////////////////////////////////////////////////// Аптека ///////////////////////////////////////////////////////
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;
class Lek {
String ime;
int pozLista, cena, kolicina;
public Lek(String ime, int pozLista, int cena, int br) {
this.ime = ime;
this.pozLista = pozLista;
this.cena = cena;
this.kolicina = br;
}
public void print() {
System.out.println(
String.format("%s\n%s\n%d\n%d",
this.ime,
this.pozLista > 0 ? "POZ" : "NEG",
this.cena,
this.kolicina)
);
}
}
public class Apteka {
public static int h(String temp) {
return (29*(29*(temp.length()*(int)temp.charAt(0))+(int)temp.charAt(1))+(int)temp.charAt(2))%102780;
}
public static void main (String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int N = Integer.parseInt(br.readLine());
Map<Integer, Lek> lista = new HashMap<>();
for(int i=0; i<N; i++) {
String temp = br.readLine();
String[] pom = temp.split(" ");
pom[0] = pom[0].toUpperCase();
Lek lek = new Lek(pom[0], Integer.parseInt(pom[1]), Integer.parseInt(pom[2]), Integer.parseInt(pom[3]));
lista.put(h(pom[0]), lek);
}
String temp = br.readLine();
int m = 0;
Lek find;
while((temp.compareTo("KRAJ")) != 0) {
m = Integer.parseInt(br.readLine());
find = lista.get(h(temp.toUpperCase()));
if(find == null) {
System.out.println("Nema takov lek");
}
else if(find.kolicina < m) {
find.print();
System.out.println("Nema dovolno lekovi");
}
else {
find.print();
System.out.println("Napravena naracka");
find.kolicina -= m;
}
temp = br.readLine();
}
}
}

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