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

Structures of flowchart, Ask Draw a flowchart that print all even numbers f...

Ask Draw a flowchart that print all even numbers from 2 until 10

Area under curve, Write a program to find the area under the curve y = f(x)...

Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b.

Need payment gateway integration expert, Need Payment Gateway Integration E...

Need Payment Gateway Integration Expert Project Description: I am seeking for expert payment gateway integration. You must have done or have experience with integrating me

What is your reaction to following line of code? , Q-What is your reaction ...

Q-What is your reaction to following line of code?               delete this; A: This is not a good programming Practice. A good programmer will insist that you must absolute

Fundamental input - output routines getc and putc, Access to the channel/de...

Access to the channel/devices is achieved by means of general purpose I/O routines Theses are standard functions described in stdio.h header file namely getc and putc. Getc and put

Flowcharting, how to create a flowchart? can you help me in my assignment a...

how to create a flowchart? can you help me in my assignment about flowcharting ....

Computer security and operating system, The Shortest Job Next (SJN) algorit...

The Shortest Job Next (SJN) algorithm queues processes in a way that the ones that use the shortest CPU cycle will be selected for running rst. Shortest remaining time rst algori

Develop a windows application to show computer hardware, - But with less fe...

- But with less features and more user-friendly (particularly for non-tech savvy users). - Software needed having a left menu with links (no pictures required) for every hardwar

System programing, #quesdifferentiate betweenrelocatable and self relocatin...

#quesdifferentiate betweenrelocatable and self relocating program with exampletion..

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