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

C, Write a program to find the area under the curve y = f(x) between x = a ...

Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points can b

Solution, Damjibhai and Shamjibhai are two jeweler friends. They decide to ...

Damjibhai and Shamjibhai are two jeweler friends. They decide to play a simple game. The game comprises of removing the jewels for polishing, turn by turn. Once a jewel is removed

C program for rotation, Normal 0 false false false EN-U...

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4

Psudo code for interrupt handler , The rPeANUt simulator provides buffering...

The rPeANUt simulator provides buffering of the characters that are typed into the terminal. However, this would generally not be the case so if the program did not consume a chara

Program simulate a metropolitan subway train, You're going to simulate a me...

You're going to simulate a metropolitan subway train.  The train system will start out at Station #1, or Home  Station, and will service multiple stations along its route.

Calculate the area of circle using c program, Calculate the area of circle ...

Calculate the area of circle using c program: const float Pi = 3.1415926;   inline float area(const float r) {return Pi * r * r;}   main() {    float radius;

Strings, A string S is said to be "Super ASCII", if it contains the charact...

A string S is said to be "Super ASCII", if it contains the character frequency equal to their ascii values. String will contain only lower case alphabets (''a''-''z'') and the asci

Structure, railway reservation programming

railway reservation programming

Beginning C++ Through Game Progammin, you are to create a text adventure ga...

you are to create a text adventure game that uses pointers. You have a rich, eccentric Uncle Billy who is soon to be deceased. How soon.....oops......he''s gone. He has left yo

Program, write a c++ program which finds minimum of three numbers

write a c++ program which finds minimum of three numbers

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