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

Need help, how to make basics strong and best logic skills what are the bes...

how to make basics strong and best logic skills what are the best way to be a expert programmer ? what counts a lot knowledge or practice?

Define classes and objects, Classes and Objects A class is a vehicle to...

Classes and Objects A class is a vehicle to execute the OOP features in the C++ language. Once a class is declared, an object of that type can be explained. An object is said t

Plot an objects, write a C code that plots an object on the window and on t...

write a C code that plots an object on the window and on the user''s click of mouse on the window, the object starts rotating continuously until the user presses the mouse again

Program, superposition of waves

superposition of waves

Minimum shelf, how to find minimum number if shelves required

how to find minimum number if shelves required

What is the employ of ''using'' declaration?, A: A using declaration makes ...

A: A using declaration makes it possible to employ a name from a namespace without the scope operator.

Explain protected derivation, Protected derivation In addition to doing...

Protected derivation In addition to doing private and public derivations, you may also do a protected derivation. In this situation :   The private members inherited

C, algo of stack using two queue

algo of stack using two queue

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