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

[email protected], Write a program to find the area under the curve y =...

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. The area under a curve between two points can b

Board coloring, n this problem u given a board in which some of the element...

n this problem u given a board in which some of the elements are placed as shown in diagram below .each element represent a color .fill the other elements in the board such that no

Write a program for simulating jet-powered car acceleration, The absolute l...

The absolute land-speed record of 763.035 MPH (Mach 1.02) was set in October 15 1997 by a jet-powered car called Thrust SSC in the Black Rock Desert of northern Nevada. The team th

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

What if one can''t wrap the local in an artificial block?, What if one can'...

What if one can''t wrap the local in an artificial block?

How the compiler arranges the several sections , Q: How the compiler arrang...

Q: How the compiler arranges the several sections in the executable image? A: The executable contained following sections: 1.      Data Section (initialized data variable sec

Single string programme, write a programme that allows a user to enter 5 di...

write a programme that allows a user to enter 5 distinct words and returns them as a single string

Text Editor, Add a function for saving the text stored in an array to a fil...

Add a function for saving the text stored in an array to a file. Your program must check whether or not the output file already exists, and if it does, your program must ask the us

What is friend functions, Friend Functions One of the major features of...

Friend Functions One of the major features of OOP is information hiding. A class encapsulates data and methods to operate on that data in a single unit. The data from the class

Explain passing and returning objects, Passing and Returning Objects Ob...

Passing and Returning Objects Objects can be passed to a function and returned back just like normal variables. When an object is passed by content, the compiler makes another

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