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

Palindrome, A palindrome is a string that reads the same from both the ends...

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

Program that controls the lcd display, Objective:  Construct a C program...

Objective:  Construct a C program that controls the LCD display, and is capable of displaying strings.  Add functions to the C program that allows more control over the display.

Lexicographic permutation, Ask questioGiven an integer n and a permutation ...

Ask questioGiven an integer n and a permutation of numbers 1, 2 ... , n-1, n write a program to print the permutation that lexicographically precedes the given input permutation. I

Write a program to add co-ordinates of the plane, Write a program to add co...

Write a program to add co-ordinates of the plane The class having x and y co-ordinates. Create three objects. Use a constructor to pass one pair of co-ordinates and a funct

Selection sort, Selection Sort using this a nested for loop to iterate thro...

Selection Sort using this a nested for loop to iterate through and compare the array elements. If the value of an element with lower index is greater than the value of an element w

#title., #quGiven the Array class definition in Fig. 11.10-11.11 (pp. 476-4...

#quGiven the Array class definition in Fig. 11.10-11.11 (pp. 476-479) of the textbook, write a new overloaded operator function for the ‘%’ (modulus) operator (i.e., return an arra

Matematic, how to make program c++

how to make program c++

Check whether the string entered is a palindrome or not, Program is to chec...

Program is to check whether the string entered is a palindrome or not: Program is to check whether the string entered is a palindrome or not invoke function from main int p

How to write an inline class member function, How to write an inline class ...

How to write an inline class member function In addition to global functions, you may request that non-static member functions of a class be inlined.  The normal method of doin

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