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

Private member functions, P r i va t e Member Functions: A private...

P r i va t e Member Functions: A private member functions can be called by the members of the same class.  Consider the following example.   c l a ss sample

Atm program, Ask quIn this assignment you will create an ATM Machine progra...

Ask quIn this assignment you will create an ATM Machine program (using C++) that allows a user to choose one of the following introduction menu items: 1) Create a bank account by

Using functions create a program, In rPeANUt implement the "char getchar()"...

In rPeANUt implement the "char getchar()" and "void printstring(char *str)" functions. Using these functions implement the following: void main() {    while (1) {       ch

Largest clique, find largest clique present in graph

find largest clique present in graph

String, Write a program that takes 3 small letters as input and sort them a...

Write a program that takes 3 small letters as input and sort them according to their ASCII value.

Sdsds, Given an integer n and a permutation of numbers 1, 2 ... , n-1, n wr...

Given an integer n and a permutation of numbers 1, 2 ... , n-1, n write a program to print the permutation that lexicographically precedes the given input permutation. If the given

Find and print the oldest and the youngest employee, Draw a flowchart ...

Draw a flowchart for a program that allows the user to enter 20 names along with their ages and their Social Security Numbers in three parallel arrays. Programs shou

Create a custom calculator program, //Create a custom calculator program ca...

//Create a custom calculator program capable of reading the input stream of an expression //and make basic computations to provide answer. //Your program will ask the user to

What does it mean to declare a function as a static, (c) A static member fu...

(c) A static member function can access static member data only, static member functions and functions and data outside the class. A static member function may be called, even whil

Last fibonnaci standing, i need a program for finding the last fibonacci nu...

i need a program for finding the last fibonacci number

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