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

201 it, overloadstream insertion opertator to display the data of object on...

overloadstream insertion opertator to display the data of object on the console

Padovan string, #questio#A Padovan string P(n) for a natural number n is de...

#questio#A Padovan string P(n) for a natural number n is defined as: P(0) = ‘X’ P(1) = ‘Y’ P(2) = ‘Z’ P(n) = P(n-2) + P(n-3), n>2 where + denotes string concatenation. For a string

C program for select the char which u want , C Program for SELECT THE CHAR ...

C Program for SELECT THE CHAR WHICH U WANT #include stdio.h> #include conio.h> void main() {             void substr(char[], int *, int *);           int a,b

Wap to print series from 1 to 10 & find its square and cube, # include stdi...

# include stdio.h> # include conio.h> # include math.h>   void main () { int a=1,sqr=0,cube=0; clrscr (); while (a { sqr=pow(a,2); cube=pow(a,3);

Luminous jewels polishing game, Luminous Jewels - The Polishing Game Bytel...

Luminous Jewels - The Polishing Game Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various lum

Function, Write a C++ program according to the following specifications 1. ...

Write a C++ program according to the following specifications 1. Display a brief description of the program. 2. Ask the user to specify the type of loading (end load, intermediate

Minimum shelves, t a shop of marbles, packs of marbles are prepared. Packet...

t a shop of marbles, packs of marbles are prepared. Packets are named A, B, C, D, E …….. All packets are kept in a VERTICAL SHELF in random order. Any numbers of packets with these

C program to demonstrate pointer to array, C program to demonstrate Pointer...

C program to demonstrate Pointer to array: void p2a(int *); void main() {                 int x=10, *a,**b;                 int arr[5];                 a=&x;//po

Data structure, explain Storage management: free storage pool, garbage coll...

explain Storage management: free storage pool, garbage collection, compaction, boundary tag method; Hash tables and hashing functions

How do i develop a subscript operator for a matrix class?, Employ operator ...

Employ operator () instead of operator[]. While you have multiple subscripts, the cleanest way to do it is along with operator () instead of with operator[]. The reason is that

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