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

Memory management system, 1. Basic Heap: Each memory location in our model ...

1. Basic Heap: Each memory location in our model of the RAM will be an instance of type Memory: 2. typedef union Memory_u Memory; 3. union Memory_u{ 4. char character;

Program to add 2 distances & show sum as new distance, THIS PROGRAM IS TO A...

THIS PROGRAM IS TO ADD TWO DISTANCES & SHOW THEIR SUM AS NEW DISTANCE # include # include typedef int dist; struct distance   {   dist inch;   dist feet;   }; distance add

Integer variable, how do you declare an integer variable

how do you declare an integer variable

What is the conditional expression operator, The Conditional Expression Ope...

The Conditional Expression Operator An alternate method to using a simple if-else construct is the conditional expressions operator, ?:   A conditional expression operato

Flow chart, flow chart for prime or not

flow chart for prime or not

How many ways are there to initialize an int with a constant, There are two...

There are two ways for initializes in C++ as shown in the example that follows. The first way uses the traditional C notation. The second way uses constructor notation. int foo

Dll, i need amibroker afl to dll plugin

i need amibroker afl to dll plugin

Explain member functions of a class, Member Functions of a Class A memb...

Member Functions of a Class A member function of the class is similar as an ordinary function. Its declaration in a class template must explain its return value as well as the

Erp, How does an ERP System facilitates better decision making?

How does an ERP System facilitates better decision making?

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