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 is default argument, Default argument: When the argument is missin...

Default argument: When the argument is missing then the function will read the default value of the missing argument.  To make use of default argument functionality the argu

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

Super ascii string checker, Program which can check the given string is su...

Program which can check the given string is super ascii or not

C++, #questAt a shop of marbles, packs of marbles are prepared. Packets are...

#questAt 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 wit

Explain the function fseek, Question: (a) Explain the function fseek()....

Question: (a) Explain the function fseek(). Using an appropriate example, write the full syntax for this function. (b) Write a C or C++ program that will perform the follo

Program for memory optimization of c / opencl code, Program for Memory Opti...

Program for Memory Optimization of C / OpenCL Code Project Description: This is possibly a very simple project for someone with an excellent knowledge of C and OpenCL. That,

Make c++ program that help health visitor statistics, Pupils' heights The ...

Pupils' heights The health visitor at a school is going to measure the heights of all pupils. For each class she makes a statistics giving the number of pupils of each height and

Illustration of plot function, Illustration of Plot function: To be mo...

Illustration of Plot function: To be more common, the script could prompt the user for the time and temperature, instead of just assigning the values. Then, the axis function

Change to palindrome, A palindrome is a string that reads the same from bot...

A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome

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