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

Explain the shift operators, The Shift Operators There are 2 shift oper...

The Shift Operators There are 2 shift operators : left shift ( >). These are binary operators. The format is                 operand >> number or operand   The first

Constructor , What is constructor or ctor? need help

What is constructor or ctor? need help

Arrays, how do I randomised numbers in an array?

how do I randomised numbers in an array?

How many levels deep can include files be nested, How many levels deep can ...

How many levels deep can include files be nested? - As such, there is no limit to number of levels of nested include files you can have however your compiler might run out of s

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

Define nested class? why can it be useful?, it is a class enclosed in the s...

it is a class enclosed in the scope of another class. For illustration: // Example: Nested class // class OuterClass { class NestedClass { // ... }; // .

Program to spider''s path display to the screen, Spider webs have two types...

Spider webs have two types of silk, sticky silk and strength silk, spiders do not move on the sticky silken threads only on the strength threads. Assume one type of spider creates

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

Write a c program to input three real numbers, Write a C program to input f...

Write a C program to input five numbers and print them out on a new line Write a C program to input three real numbers and print them out as follows:   The first variable is

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