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

Arrys, Write a program that allows user to enter number of elements in an a...

Write a program that allows user to enter number of elements in an array. The program then allows user to enter the elements. Write a function called max that returns the position

Calculate the discharge by c program, #include stdio.h #include math.h ...

#include stdio.h #include math.h float discharge(float,float); void main()   {   char prompt;      float time,out,cr;   cr = 100e-6;   for (time = 0;time   {   /* call th

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

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

Explain abstract classes, Abstract Classes Abstract classes are the cla...

Abstract Classes Abstract classes are the classes, which are written just to act as base classes. Consider the following classes.                 class base

COMPUTER, THEORY OF A COMPUTER PROGRAMMING

THEORY OF A COMPUTER PROGRAMMING

Decoding, Smugglers are becoming very smart day by day. Now they have devel...

Smugglers are becoming very smart day by day. Now they have developed a new technique of sending their messages from one smuggler to another. In their new technology, they are send

Areaundercurve, 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) between the limits of a and b. The area under a curve between two points can b

Explain the loop statements in computer programming, Explain the Loop State...

Explain the Loop Statements in Computer Programming? 1. C gives you a choice of three kinds of loop, while, do while and for. 2. The while loop remain repeating an action until

Write a program to create a binary file, Write a program to create a binary...

Write a program to create a binary file and store the following data "hello", 0x0030,'1', 1.234  Using visual studio examine the binary file and note how the day is stored   Answe

Tranporsition cipher, write a C program that can display the transpose form...

write a C program that can display the transpose form of a ciphertext matrix.

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