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

Minimum shelves, write a program to find the minimum number of shelves

write a program to find the minimum number of shelves

Algorithms flow charts and psuedocode, How to write C program (interest cal...

How to write C program (interest calculator) the simple interest on a loan is calculated by the formula interest=principal*rate*days/365; ?

Program of 2d byte array dynamicall, In this lab, please complete a given p...

In this lab, please complete a given program to perform the following tasks: 1. Allocate a 10 by 5 2D byte array dynamically. The way of allocation must be consistent with page

What is the use of pear in php, What is the use of PEAR in php? PEAR is...

What is the use of PEAR in php? PEAR is termed as PHP Extension and Application Repository. It provides structured library to PHP users and also gives provision for package mai

Need squid web proxy with ffmpeg to convert flv to h.264, Need Squid Web Pr...

Need Squid Web Proxy with ffmpeg to convert flv to h.264 Project Description: We need a squid proxy setup with the modification that will transcode FLV to h.264 in real-time,

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

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

C program to construct a structure , c program to construct a structure: ...

c program to construct a structure: struct sensus                 {                                 char name[30];                                 long int population;

what does it mean to declare a member variable as a static, b) The static ...

b) The static keyword let a variable to maintain its value among distinct function calls. If the value of a static variable alters while the variable has been accessed, variable

Write a c++ program that calculates the area of a circle, Write a C++ progr...

Write a C++ program that calculates the area of a circle, rectangle and square using overloaded versions of a function area ().Your program should include both declarations and def

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