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

Return by reference, Return by reference: The return value of the funct...

Return by reference: The return value of the function must be an address variable.  In following program the function returns the value of x or y and their types are declare

Assignment, can you tell me what is c#

can you tell me what is c#

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

C program, Just need the answers to the following 3 questions. "NO NEED to ...

Just need the answers to the following 3 questions. "NO NEED to write a program compile or run it, do not need it. Just need the answers for the following questions. Example quest

Area under curve, write a program to find the area under the curve y=f(x) b...

write a program to find the area under the curve y=f(x) between x=a and x=b integrate y=f(x)   #include float start_point, /* GLOBAL VARIABLES */

C program to demonstrate call by reference, C program to demonstrate call b...

C program to demonstrate call by reference: void disp(int *,int*,int*,int*); void main() {                 int a=2,b=3, sum,mul;                 printf("Enter 1st n

Expression, i need expression and its types with example programs in c++

i need expression and its types with example programs in c++

Coding, d county is very famous for luminous jewels. Luminous jewels are us...

d county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Necklaces

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