package com.company;
import java.util.ArrayList;
import java.util.List;
class Graph {
// liczba krawedzi
private int e;
// liczba wierzcholkow
private int v;
// tablica list sasiedztwa danego wierzcholka
private List<Integer>[] adjacencyList;
/**
* @param v ilosc wierzcholkow w grafie
*/
@SuppressWarnings("unchecked")
public Graph(int v) {
this.v = v;
this.e = 0;
adjacencyList
= (List
<Integer
>[]) new List[v
];
for (int i = 0; i < v; i++) {
adjacencyList[i] = new ArrayList<Integer>();
}
}
/**
* Dodaje krawedz v-w do grafu skierowanego.
*
* @param v wierzcholek poczatkowy
* @param w wierzcholek koncowy
*/
public void addEdge(int v, int w) {
adjacencyList[v].add(w);
e++;
}
/**
* @return liczbe krawedzi
*/
public int getNumberOfEdges() {
return e;
}
/**
* @return liczbe wierzcholkow
*/
public int getNumberOfVertices() {
return v;
}
/**
* Zwraca liste sasiedztwa danego wierzcholka.
*
* @param v indeks wierzcholka skierowanego
* @return zwraca iterowalna kolekcje wierzcholkow sasiadujacych
*/
public List<Integer> getAdjacencyList(int v) {
return adjacencyList[v];
}
StringBuilder s = new StringBuilder();
s.append("wierzcholki: ").append(v).append("; krawedzie: ").append(e)
.append(newLine);
for (int i = 0; i < v; i++) {
s.append(i).append(": ");
for (int w : adjacencyList[i]) {
s.append(w).append(" ");
}
s.append(newLine);
}
return s.toString();
}
}
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}