对象已移动

可在此处找到该文档 Number of shortest paths in an Undirected Weighted Graph – New Self New Life
New Self New Life
No Result
View All Result
  • Home
  • Entertainment
  • Celebrity
  • Cinema
  • Music
  • Digital Lifestyle
  • Social Media
  • Softwares
  • Devices
  • Home
  • Entertainment
  • Celebrity
  • Cinema
  • Music
  • Digital Lifestyle
  • Social Media
  • Softwares
  • Devices
New Self New Life
No Result
View All Result
Home Softwares

Number of shortest paths in an Undirected Weighted Graph

by admin
4 years ago
in Softwares
Best Coding Practices For Rest API Design
Share on FacebookShare on Twitter


import java.io.*;

import java.util.*;

class GFG {

  

    

    static class Node implements Comparator<Node> {

  

        

        public int node;

  

        

        

        public int price;

  

        public Node() {}

  

        

        public Node(int node, int price)

        {

            this.node = node;

            this.price = price;

        }

  

        

        @Override

        public int evaluate(Node node1, Node node2)

        {

            if (node1.price < node2.price)

                return -1;

            if (node1.price > node2.price)

                return 1;

            return 0;

        }

    }

  

    

    

    static void addEdge(ArrayList<ArrayList<Node> > adj,

                        int x, int y, int w)

    {

        adj.get(x).add(new Node(y, w));

        adj.get(y).add(new Node(x, w));

    }

  

    

    

    static void dijkstra(ArrayList<ArrayList<Node> > adj,

                         int src, int n, int dist[],

                         int paths[])

    {

        

        

        PriorityQueue<Node> pq

            = new PriorityQueue<Node>(n + 1, new Node());

  

        

        Set<String> settled = new HashSet<String>();

  

        

        pq.add(new Node(src, 0));

  

        dist[src] = 0;

        paths[src] = 1;

  

        

        whereas (!pq.isEmpty()) {

  

            

            int u = pq.peek().node;

  

            

            

            int d = pq.peek().price;

  

            

            pq.ballot();

  

            for (int i = 0; i < adj.get(u).measurement(); i++) {

                int to = adj.get(u).get(i).node;

                int price = adj.get(u).get(i).price;

  

                

                if (settled.incorporates(to + " " + u))

                    proceed;

  

                

                

                if (dist[to] > dist[u] + price) {

  

                    

                    pq.add(new Node(to, d + price));

  

                    

                    dist[to] = dist[u] + price;

  

                    

                    paths[to] = paths[u];

                }

  

                

                else if (dist[to] == dist[u] + price) {

                    paths[to] = (paths[to] + paths[u]);

                }

  

                

                settled.add(to + " " + u);

            }

        }

    }

  

    

    

    static void

    findShortestPaths(ArrayList<ArrayList<Node> > adj,

                      int s, int n)

    {

        

        

        int[] dist = new int[n + 5];

  

        

        

        

        int[] paths = new int[n + 5];

  

        for (int i = 0; i <= n; i++)

            dist[i] = Integer.MAX_VALUE;

  

        for (int i = 0; i <= n; i++)

            paths[i] = 0;

  

        

        

        dijkstra(adj, s, n, dist, paths);

  

        System.out.print("Shortest Paths distances are : ");

        for (int i = 1; i <= n; i++) {

            System.out.print(dist[i] + " ");

        }

  

        System.out.println();

  

        System.out.print(

            "Numbers of the shortest Paths are: ");

        for (int i = 1; i <= n; i++)

            System.out.print(paths[i] + " ");

    }

  

    

    public static void principal(String[] args)

    {

        

        int N = 9;

        int M = 14;

  

        ArrayList<ArrayList<Node> > adj = new ArrayList<>();

  

        for (int i = 0; i <= N; i++) {

            adj.add(new ArrayList<Node>());

        }

  

        addEdge(adj, 1, 2, 1);

        addEdge(adj, 2, 3, 1);

        addEdge(adj, 3, 4, 2);

        addEdge(adj, 4, 5, 1);

        addEdge(adj, 5, 6, 2);

        addEdge(adj, 6, 7, 2);

        addEdge(adj, 7, 8, 1);

        addEdge(adj, 8, 1, 1);

        addEdge(adj, 2, 8, 2);

        addEdge(adj, 3, 9, 1);

        addEdge(adj, 8, 9, 2);

        addEdge(adj, 7, 9, 2);

        addEdge(adj, 3, 6, 1);

        addEdge(adj, 4, 6, 1);

  

        

        findShortestPaths(adj, 1, N);

    }

}



Source link

Tags: GraphNumberpathsshortestUndirectedWeighted
Previous Post

TroyBoi Serves Up Low Key Trap Banger “MADTING” [LISTEN]

Next Post

A History Of An Iconic Sneaker Style

Related Posts

Apple launches iOS 26 beta 3, faces Fortnite developer win in court
Softwares

Apple launches iOS 26 beta 3, faces Fortnite developer win in court

by admin
August 17, 2025
NFT Aggregator Marketplace Development: Complete Overview
Softwares

NFT Aggregator Marketplace Development: Complete Overview

by admin
August 15, 2025
New Vue js features – Vue 3+ overview
Softwares

New Vue js features – Vue 3+ overview

by admin
August 16, 2025
How agile is your crypto? Interview study explores opportunities and challenges of cryptographic update processes
Softwares

How agile is your crypto? Interview study explores opportunities and challenges of cryptographic update processes

by admin
August 12, 2025
20+ Best Free Futuristic Fonts in 2025 — Speckyboy
Softwares

20+ Best Free Futuristic Fonts in 2025 — Speckyboy

by admin
August 13, 2025
Next Post
A History Of An Iconic Sneaker Style

A History Of An Iconic Sneaker Style

Fire Up your Entertainment Profile : entertainment

Fire Up your Entertainment Profile : entertainment

  • Trending
  • Comments
  • Latest
More than 400 Canadian artists sign letter denouncing ‘anti-trans’ policies

More than 400 Canadian artists sign letter denouncing ‘anti-trans’ policies

April 1, 2024
Taylor Swift’s ‘Eras Tour’ movie: How and when you can stream in Canada – National

Taylor Swift’s ‘Eras Tour’ movie: How and when you can stream in Canada – National

November 27, 2023
Jacklyn Zeman, longtime ‘General Hospital’ actor, dies at 70 – National

Jacklyn Zeman, longtime ‘General Hospital’ actor, dies at 70 – National

May 11, 2023
Robert De Niro shows up to troll Donald Trump outside hush-money trial – National

Robert De Niro shows up to troll Donald Trump outside hush-money trial – National

May 29, 2024
Greyson Chance says Ellen DeGeneres ‘abandoned’ him, calls her ‘manipulative’ and ‘opportunistic’ – National

Greyson Chance says Ellen DeGeneres ‘abandoned’ him, calls her ‘manipulative’ and ‘opportunistic’ – National

September 26, 2022
‘Nope’ movie review: Jordan Peele does it again in masterful spectacle – National

‘Nope’ movie review: Jordan Peele does it again in masterful spectacle – National

July 22, 2022
Mike ‘The Situation’ Sorrentino saves 2-year-old son from choking in home video – National

Mike ‘The Situation’ Sorrentino saves 2-year-old son from choking in home video – National

February 5, 2024
Justin Timberlake’s licence suspended as he pleads not guilty to DWI – National

Justin Timberlake’s licence suspended as he pleads not guilty to DWI – National

August 3, 2024
THE LORD OF THE RINGS Poster Art “The Legend Comes To Life” By Artist Stephen Andrade — GeekTyrant

THE LORD OF THE RINGS Poster Art “The Legend Comes To Life” By Artist Stephen Andrade — GeekTyrant

August 17, 2025
Android 17 Sweet Naming Secret Revealed

Android 17 Sweet Naming Secret Revealed

August 17, 2025
‘Stranger Things’ Creators are Jumping Ship to Paramount

‘Stranger Things’ Creators are Jumping Ship to Paramount

August 16, 2025
Celebs Whose Kids Don’t Know They’re Famous

Celebs Whose Kids Don’t Know They’re Famous

August 16, 2025
25 Classic Movies That Got Bad Reviews From Critics

25 Classic Movies That Got Bad Reviews From Critics

August 16, 2025
Hip-Hop’s Biggest First-Week Sales for Projects in 2025

Hip-Hop’s Biggest First-Week Sales for Projects in 2025

August 15, 2025
HyperX’s claims its latest headset lasts 250 hours on a single charge

HyperX’s claims its latest headset lasts 250 hours on a single charge

August 15, 2025
5 Albums I Can’t Live Without: Steve Jones of the Sex Pistols

5 Albums I Can’t Live Without: Steve Jones of the Sex Pistols

August 16, 2025
New Self New Life

Your source for entertainment news, celebrities, celebrity news, and Music, Cinema, Digital Lifestyle and Social Media and More !

Categories

  • Celebrity
  • Cinema
  • Devices
  • Digital Lifestyle
  • Entertainment
  • Music
  • Social Media
  • Softwares
  • Uncategorized

Recent Posts

  • THE LORD OF THE RINGS Poster Art “The Legend Comes To Life” By Artist Stephen Andrade — GeekTyrant
  • Android 17 Sweet Naming Secret Revealed
  • ‘Stranger Things’ Creators are Jumping Ship to Paramount
  • Home
  • Disclaimer
  • DMCA
  • Privacy Policy
  • Cookie Privacy Policy
  • Terms and Conditions
  • Contact us

Copyright © 2021 New Self New Life.
New Self New Life is not responsible for the content of external sites. slotsfree  creator solana token

No Result
View All Result
  • Home
  • Entertainment
  • Celebrity
  • Cinema
  • Music
  • Digital Lifestyle
  • Social Media
  • Softwares
  • Devices

Copyright © 2021 New Self New Life.
New Self New Life is not responsible for the content of external sites.

New Self New Life