Check the file: Questions.pdf

**Subject Computer Science Data Structures and Algorithms**

Check the file: Questions.pdf

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#include "city_map.h"

#include <iostream>

#include <string>

#include <sstream>

#include <map>

#include <list>

#include <math.h>

#include <vector>

using namespace std;

// return square of a number

double sqr(double x)

{

return x * x;

}

//constructor

City_Map::City_Map()

{

string str;

int maxAvenue = 0; //max number of avenues

int maxStreet = 0; // max number of streets

while (getline(cin, str)) // read a line from standard input

{

stringstream s;

s << str;

// parse the string into intersection

Intersection *is = new Intersection;

s >> is->street;

s >> is->avenue;

s >> is->x;

s >> is->y;

s >> is->green[0];

s >> is->green[1];

all.push_back(is); // add intersection to the list

if ((is->avenue == 0) && (is->street == 0)) // check if it is the start point

{

first = is;

}

if ((is->avenue > maxAvenue) || ((is->avenue == maxAvenue) && (is->street > maxStreet))) // check if it is the last point

{

maxAvenue = is->avenue;

maxStreet = is->street;

last = is;

}

}

vector<vector<Intersection*>> iv; // create a matrix of intersections, to easily reach the neighbour nodes

iv.resize(maxStreet + 1);

for (int i = 0; i <= maxStreet; i++)

{...

#include <iostream>

#include <string>

#include <sstream>

#include <map>

#include <list>

#include <math.h>

#include <vector>

using namespace std;

// return square of a number

double sqr(double x)

{

return x * x;

}

//constructor

City_Map::City_Map()

{

string str;

int maxAvenue = 0; //max number of avenues

int maxStreet = 0; // max number of streets

while (getline(cin, str)) // read a line from standard input

{

stringstream s;

s << str;

// parse the string into intersection

Intersection *is = new Intersection;

s >> is->street;

s >> is->avenue;

s >> is->x;

s >> is->y;

s >> is->green[0];

s >> is->green[1];

all.push_back(is); // add intersection to the list

if ((is->avenue == 0) && (is->street == 0)) // check if it is the start point

{

first = is;

}

if ((is->avenue > maxAvenue) || ((is->avenue == maxAvenue) && (is->street > maxStreet))) // check if it is the last point

{

maxAvenue = is->avenue;

maxStreet = is->street;

last = is;

}

}

vector<vector<Intersection*>> iv; // create a matrix of intersections, to easily reach the neighbour nodes

iv.resize(maxStreet + 1);

for (int i = 0; i <= maxStreet; i++)

{...

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