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

Pointer declaration for class, P o i n t e r d e c l ...

P o i n t e r d e c l a r a t i o n f o r C l a s s : M m; M * p m; / / C la ss M i s d e c l a r e d a s

Develop a telephone billing system, Project Description: My project is a...

Project Description: My project is about telephone billing system. This project was my project in my college life. The project is quite easy, i needed C++ programming language..

External iterator and an internal iterator, What is the difference between ...

What is the difference between an external iterator and an internal iterator? Ans) An internal iterator is executed with member functions of the class that has items to step th

Basic input -output library of subroutines, GetChar - get a character fro...

GetChar - get a character from the keyboard, echo to the display and return it in reg al. - Note: if a linefeed (LF) is received (Enter key), a carriage return (CR) will als

Write a constructor for a movie, Suppose we use Lists to represent a movie ...

Suppose we use Lists to represent a movie which has a title, cast and year. For example, the following list represents the movie, "Die Hardly", with the cast "Bruce Willing" and "T

Define scope rules of c program - computer programming, Define Scope Rules ...

Define Scope Rules of C program - Computer Programming? The fundamental rule of scope is that identifiers are accessible only within the block in which they are declared and th

Graphical user interface designed for the output peripherals, Introduction ...

Introduction to I/O interfacing, discuss microcontrollers applications in industry. Detailed product design specifications that have sections on both hardware and software inclu

Explain the #define directive, The #define Directive The #define direct...

The #define Directive The #define directive explains a macro which is a text string represented by a name. Whenever the pre-processor finds this name in the program, it is repl

Program to calculation of mortgage interest rates, This assignment builds o...

This assignment builds on Homework 3. The two major modifications are the instruction of pointers and the calculation of mortgage interest rates. Requirements for Project 2:

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