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

Identifier and constant, What are  Id e n t i f ie rs a n d C o...

What are  Id e n t i f ie rs a n d C o n s t a n ts in C++? Id e n t i f ie r a n d C o n s t a n t : I d e n t i f ie r

Programming Assignment 4, For this program, you are going to modify your pr...

For this program, you are going to modify your previous program (program 3) so that it will now have a menu to see if the user wants to read the input from a file or interactively.

Programming, hello i have about 15 hours the dead line I Need a program in...

hello i have about 15 hours the dead line I Need a program in c language that''s determine the router ip or the gateway ip of the current NIC example the router ip is: 192.168.1.1

How can define an array, Q: How can Define an Array? An Array is define...

Q: How can Define an Array? An Array is defined in much the alike manner as ordinary variables except that every array name must be accompanied by a size specification (that is

Write program.., # Dear I want help to programmer that write C++ code for...

# Dear I want help to programmer that write C++ code for my small project as soon as posible If we can help me?..

Describe difference between malloc()/free() & new/delete?, for object, mall...

for object, malloc allocates memory in heap however doesn't invoke object's constructor to initialize the object. new allocates memory & also invokes constructor to initialize the

Car rental project, I need a project on car rental system using c programmi...

I need a project on car rental system using c programming only of college level

Inheritance, example of program to add two number

example of program to add two number

Recursive functions, a program to determine whether a number is an odd or e...

a program to determine whether a number is an odd or even using recursive function

I want im messenger, I would like to get you to collaborate in my project. ...

I would like to get you to collaborate in my project. We want a C programmer to Develop applications for Windows, the first application may be an Instant messenger encrypted in a w

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