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

Decode the code, c++ coding decode the letters from numbers

c++ coding decode the letters from numbers

C, algo of stack using two queue

algo of stack using two queue

Explain the special pointer this, The Special Pointer 'this' When vario...

The Special Pointer 'this' When various instances of a class come into existence, it naturally follows that each instance has its own copy of member variables. If this were not

How comment symbols help in debugging the code, How does placing some code ...

How does placing some code lines between comment symbols help in debugging the code? - Placing comment symbols /* */ around a code separates some code that coder believes might

#c++, There is a pebble merchant. He sells the pebbles, that are used for s...

There is a pebble merchant. He sells the pebbles, that are used for shining the floor. His main duty is to take the length of the room’s sides. But he sometimes mistakes doing that

Minimum Shelf , At a shop of marbles, packs of marbles are prepared. Packet...

At 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

Define the logical operators in c language, Define the Logical Operators in...

Define the Logical Operators in c language? The Logical operators deals with the ways the relationships are able to connected. C has the following three logical operators

C program to design text styles, Program to design text styles: Write ...

Program to design text styles: Write a C program to design different text style char *fname[] = { "DEFAULT font",                                   "TRIPLEX font",

Oop, define a class for student

define a class for student

C program for count sorted characters, # include stdio.h> # include coni...

# include stdio.h> # include conio.h> # include string.h> void main()   {           int i=0,j=0;           char a[100],temp;           clrscr();

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