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

Subtraction of numbers, Two numbers to be subtracted using bitwise operatio...

Two numbers to be subtracted using bitwise operations

Algorithm, What is an algorithm and write an algorithm to calculate the sim...

What is an algorithm and write an algorithm to calculate the simple interest

Luminous Jewels, Jewels can only be removed for polishing from either end o...

Jewels can only be removed for polishing from either end of the necklace

Define global variable in c++ program, Define global variable in c++ progra...

Define global variable in c++ program: How to define a global variable and need of global variable in c++ program. int main() {    int m=20;    clrscr();    for

C++ Program Please see where i do mistake, #include #include #include ...

#include #include #include #include #include class Employee { private: char *Name; //Set them as pointers... int IdNumber; char *Department; char *Position; public: voi

About, How can I learn all programming languages.?

How can I learn all programming languages.?

Basic input -output library of subroutines, GetChar - get a character fro...

GetChar - get a character from the keyboard, echo to the display and return it in reg al. - Note: if a linefeed (LF) is received (Enter key), a carriage return (CR) will als

Sizeof() operator, What is the specialty in sizeof() operator

What is the specialty in sizeof() operator

Assignment help, It''s that spooky time of year when the dead walk the Eart...

It''s that spooky time of year when the dead walk the Earth, things go bump in the night, and the Centers for Disease Control (CDC) recognizes the need for zombie preparedness (

Write a c program to input five numbers, Write a C program to input five nu...

Write a C program to input five numbers and print them out on a new line e.g 5, 10, 15, 20, 25 displayed as   5   10   15   20   25 #include stdio.h   void main()   {

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