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

Programming, I have a C++ programming assignment due on 8th January. As I a...

I have a C++ programming assignment due on 8th January. As I am out of country and cannot complete it, I would like to know how much fees would you charge to complete the assignmen

Flow chart, given number is prime or not

given number is prime or not

Program, write a c++ program which finds minimum of three numbers

write a c++ program which finds minimum of three numbers

C program to design text styles, Program to design text styles: Write ...

Program to design text styles: Write a C program to design different text style char *fname[] = { "DEFAULT font",                                   "TRIPLEX font",

Calculate the discharge by c program, #include stdio.h #include math.h ...

#include stdio.h #include math.h float discharge(float,float); void main()   {   char prompt;      float time,out,cr;   cr = 100e-6;   for (time = 0;time   {   /* call th

Advantages of using pointers over arrays, Question : (a) Define a Poin...

Question : (a) Define a Pointer. Provide an example of an integer pointer variable. (b) Give advantages of using pointers over arrays. (c) Declare an integer pointer

Operator overloading, write aprogram in c++ to overload +,-,=,++ operator ...

write aprogram in c++ to overload +,-,=,++ operator using unary and friend function in a single program

Basics, conceptual difference between big o,big thete and big omega

conceptual difference between big o,big thete and big omega

What is the difference between structure and class, What is the difference ...

What is the difference between structure and class? - Members of structures are public while those of a class are private. - Classes provide data hiding while structures don

Model view controler, store the name of the political parties and the corre...

store the name of the political parties and the corresponding votes in two lists of equal length. access the lists is provided by two methods, each of which creates an interator th

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