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

What do you mean by a sequential access file, What do you mean by a sequent...

What do you mean by a sequential access file? - When writing programs which store and retrieve data in a file, it's possible to designate that file into various forms. - A s

Write a program read words from file, Write a program IdentyfyWordsMain.jav...

Write a program IdentyfyWordsMain.java reading a fi le (like HistoryOfProgramming) and divide the text into a sequence of words (word=sequence of letters). Save the result in a new

C program for count the no which you want , # include stdio.h> # include...

# include stdio.h> # include string.h> # include conio.h> void main() {           int i=0,j=0,b=0,count=0;           int a[100];           for(i=0;i

Describe the theoretical concepts of binary files, Question 1 Explain the ...

Question 1 Explain the concept of constructors and destructors in C++ with programming examples Question 2 Explain the concepts and applications of multiple inheritance and v

Inbuilt functions in cpp, Inbuilt Functions i).  Functions to manipulate...

Inbuilt Functions i).  Functions to manipulate strings The cstring library defines many functions to perform some manipulation operations with C-styled functions. The followi

Least cost method, c program to implement least cost method

c program to implement least cost method

Prime no., program to find if a no . is prime or not

program to find if a no . is prime or not

Write a program to add co-ordinates of the plane, Write a program to add co...

Write a program to add co-ordinates of the plane The class having x and y co-ordinates. Create three objects. Use a constructor to pass one pair of co-ordinates and a funct

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