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

Arrays, Write two different arrays. Store the names in it and then compare ...

Write two different arrays. Store the names in it and then compare if both the names entered by the user are the same.

Least cost method, c program to implement least cost method

c program to implement least cost method

Algorithm, Write algorithms to implement the insertion and deletion operati...

Write algorithms to implement the insertion and deletion operations.

Convert a cov-cpe file to a tif image file, Convert a COV/CPE (Micosoft Fax...

Convert a COV/CPE (Micosoft Fax Cover Page) file to a TIF image file Project Description: I would like a small API written that will take a COV/CPE file and replaced the corr

Change to palindrome, a palindrome is a string that reads the same from bho...

a palindrome is a string that reads the same from bhote the ends

How to define a structure, How to Define a Structure? Structure declara...

How to Define a Structure? Structure declarations are rather more complicated than array declarations, ever since a structure must be defined in terms of its individual members

Program, salotion of programes

salotion of programes

Define enumeration in computer programming, Define Enumeration in Computer ...

Define Enumeration in Computer Programming? Enumerated types enclose a list of constants that are able to be addressed in integer values. We can declare variables and types

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