Program for queue and vector, C/C++ Programming

Assignment Help:

#include

#include

#include

using namespace std;

#define MAX 5

#define INF (1<<20)

#define DEBUG if(0)

#define pii pair< int, int >

#define pb(x) push_back(x)

class Node

{

int id:

int p[1][2];

class Node *next[5];

 bool operator() (const pii &a, const pii &b)

{

        return a.second > b.second;

 } ;

priority_queue< pii, vector< pii >, Node > Q;

vector< pii > G[MAX];

int D[MAX];

bool F[MAX];

int main()

{

int i, u, v, w, sz, nodes, edges, starting;

// create graph

cin >> nodes >> edges;

for(i=0; i

{

cin>> u >> v >> w;

G[u].pb(pii(v, w));

G[v].pb(pii(u, w)); // for undirected

}

cin >> starting;

for(i=1; i<=nodes; i++) D[i] = INF;

D[starting] = 0;

Q.push(pii(starting, 0));

while(!Q.empty())

{

   u = Q.top().first;

   Q.pop();

   if(F[u]) continue;

  sz = G[u].size();

  DEBUG cout<<"visiting from "<< u;

  for(i=0; i

{

        v = G[u][i].first;

         w = G[u][i].second;

         if(!F[v] && D[u]+w < D[v])

                {

                 DEBUG cout<<  v;

                 D[v] = D[u] + w;

                 Q.push(pii(v, D[v]));

                 }

         }

DEBUG cout << "\n";

F[u] = 1;

}

for(i=1; i<=nodes; i++)

cout << "Node"<< i<< "min weight"<<  D[i]);

return 0;

}


Related Discussions:- Program for queue and vector

C++ class, need to create c++ classes to store all pascal types in compiler...

need to create c++ classes to store all pascal types in compiler design.

Flight Departure in C, I really have a hard time analyzing how to write a c...

I really have a hard time analyzing how to write a code in C. It''s all bout Time Departure and we must used a 24 hour clock. Can u help me?

Function, Write a C++ program according to the following specifications 1. ...

Write a C++ program according to the following specifications 1. Display a brief description of the program. 2. Ask the user to specify the type of loading (end load, intermediate

Briefly describe how a linear search algorithm works, Question 1: (a) D...

Question 1: (a) Describe the following objects and condition states: (i) ifstream and ofstream objects (ii) eof(), fail(), bad() and good() functions. (b) Write a C++ pr

Is there any difficulty with the following : char*a=null; , Is there any di...

Is there any difficulty with the following : char*a=NULL; char& p = *a;? A: The result is indeterminate. You must never do this. A reference has to always refer to some object.

Asdas, Ask question #Miniasdasmum 100 words accepted#

Ask question #Miniasdasmum 100 words accepted#

Insert values in queue - c++ program, Insert values in queue - C++ program:...

Insert values in queue - C++ program: Write a program to insert values in queue. int main()   {         int k;     Queue timeLine;     cout     for(

Arrays, how to write the code for operation research

how to write the code for operation research

Defines the entry point for the console application, Defines the entry poin...

Defines the entry point for the console application. // #include "stdafx.h" #include #include #include"conio.h" using namespace std; double Determinant(double a[][3],int forde

C program for compare two strings , Normal 0 false false fa...

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd