#include

using namespace std;

#include

#include

#include

//the doubly linked list that allows us to store 2 different lists one for a complete list and one for a even list

struct node {

int data;

node *next,*previous;

}*head=NULL,*tail=NULL ,*curr=NULL, *headeven=NULL ,*taileven=NULL;

using namespace std;

//precondition:error message of type string

//post condition: file filled with string error messages

//description:

void sendtoerrorlog(string errormessage)

{

fstream logfile("log.txt",ios::app);

logfile << errormessage;

logfile << endl;

logfile.close();

}

//precondition:integer data from a file

//postcondition:added node to a link list

//description: creates a doubly linked list that can be traversed to sort data from a file

void deletenode(int num)

{

int i=0;

string error;

curr = head;

node *temp,*temp2;

while (curr != NULL)

{

if (curr->data == num)

{

temp=curr->next;

temp2 = curr->previous;

curr = NULL;

curr = temp2;

curr->next = temp;

i++;

cout << "deleted " << num << endl;

//error = char(num);

error= to_string(num);

error.append(" was deleted");

sendtoerrorlog(error);

}

else

{

curr= curr->next;

}

}

if (i == 0)

{

cout << " sorry none of the integers you entered exist thus you cannot delete them" << endl;

}

}

void addnode(int dat)

{

if (head == NULL)

{

curr = new node;

curr->data = dat;

head = curr;

tail = curr;

curr->previous = NULL;

curr->next = NULL;

}

else

{

curr = new node;

curr->data = dat;

curr->previous = tail;

tail->next = curr;

tail = curr;

tail->next = NULL;

}

if (dat % 2 == 0)

{

if (headeven == NULL)

{

curr = new node;

curr->data = dat;

headeven = curr;

taileven = curr;

curr->previous = NULL;

curr->next = NULL;

}

else

{

curr = new node;

curr->data = dat;

curr->previous = tail;

taileven->next = curr;

taileven = curr;

taileven->next = NULL;}}

static int i = 0;

if (i != 0)

{

string error2 = to_string(dat);

error2.append(" was added");

sendtoerrorlog(error2);

}

i++;

}

void printreverseeven()

{

int i = 0;

curr = tail;

while (curr != NULL)

{

if (curr != NULL&& curr->previous!=NULL)

{

if (curr->data % 2 == 0)

{

i++;

cout << curr->data << endl;

}

}

curr = curr->previous;

}

}

void printeven()

{

curr = head;

while (curr != NULL)

{

curr = curr->next;

if (curr != NULL)

{

if (curr->data % 2 == 0)

{

cout << curr->data << endl;

}

}

}

}

void fowardprintnode()

{

curr = head;

while (curr!= NULL)

{

curr = curr->next;

if (curr != NULL)

{

cout << curr->data << endl;

}

}

}

void printreverse()

{

curr = tail;

while (curr != NULL)

{

curr = curr->previous;

if (curr != NULL&&curr->previous!=NULL)

{

cout << curr->data << endl;

}

}

}

void sortnode()

{

int temp=0,temp2=0;

curr = tail;

while (curr != NULL)

{

temp = curr->data;

if (curr->previous != NULL)

{

curr = curr->previous;

if (curr->data > temp)

{

temp2 = curr->data;

curr = curr->next;

curr->data = temp2;

curr = curr->previous;

curr->data = temp;

}

}

else { curr = curr->previous; }

}

}

void readfile()

{

int h;

ifstream myReadFile;

myReadFile.open("integer.dat");

int output[100];

int z = 0;

if (myReadFile.is_open()) {

cout << "file is open" << endl;

if (!(myReadFile >> h))

{

cout << ", but the file is empty" << endl;

}

else

{

output[z] = h;

if (output[z] < 0) { sendtoerrorlog("error one or more integers are negative");

cout << "error one or more integeres are negative."<

}

while (!myReadFile.eof()) {

addnode(output[z]);

z++;

myReadFile >> output[z];

if (output[z] < 0) {

sendtoerrorlog("error one or more integers are negative");

cout << "error one or more integeres are negative." << endl;

}

}

addnode(output[z]);

}

}

for (int i=0;i<10000;i++)

{

sortnode();

}

myReadFile.close();

}

int main()

{

int answer = 0, integer = 0;

bool h = false;

cout << "Welcome to integer enterer 5000!" << endl;

char choice, ascenddecending;

bool correct = false;

readfile();

cout << "we have 2 different lists for you to print out:" << endl;

cout << "The even list or the complete list enter L for complete list and E for only the even list to be displayed." << endl;

cin >> choice;

if ((choice != 'l' && choice != 'L' && choice != 'e' && choice != 'E'))

{

correct = true;

}

while (correct)

{

cout << "wrong input please reenter" << endl;

cin >> choice;

if (choice == 'l' || choice == 'L' || choice == 'e' || choice == 'E')

{

correct = false;

}

}

cout << "would you like to print the list in ascending or descending order?";

cin >> ascenddecending;

if (ascenddecending != 'a' && ascenddecending != 'A' && ascenddecending != 'd' && ascenddecending != 'D')

{

correct = false;

}

while (correct)

{

cout << "wrong input please reenter" << endl;

cin >> choice;

if (ascenddecending == 'a' || ascenddecending == 'A' || ascenddecending || 'd' && ascenddecending == 'D')

{

correct = false;

}

}

if ((choice == 'l' || choice == 'L') && (ascenddecending == 'a' || ascenddecending == 'A'))

{

//print full list and in ascending order

fowardprintnode();

}

if ((choice == 'l' || choice == 'L') && (ascenddecending == 'd' || ascenddecending == 'D'))

{

//print full list and in desending order

printreverse();

}

if ((choice == 'e' || choice == 'e') && (ascenddecending == 'd' || ascenddecending == 'D'))

{

//print even list and in desending order

printreverseeven();

}

if ((choice == 'e' || choice == 'e') && (ascenddecending == 'a' || ascenddecending == 'a'))

{

//print even list and in ascending order

printeven();

//

}

cout << "would you like to add or delete an integer?0 for delete 1 for add" << endl;

cin >> answer;

while ((cin.fail()) || (answer != 0 && answer != 1))

{

cout << "wrong answer please enter a 0 or 1" << endl;

cin.clear();

cin.ignore(1000, ' ');

cin >> answer;

}

if (answer == 1)

{

cout << "enter your integer please" << endl;

cin >> integer;

if (integer < 0)

{

h = true;

}

while (cin.fail() || h)

{

cout << "Error: Enter only a positive integer please" << endl;

cout << "Enter in a new value " << endl;

cin >> integer;

if (h >= 0)

{

h = false;

}

}

addnode(integer);

}

else if (answer == 0)

{

cout << "enter your integer please" << endl;

cin >> integer;

if (integer < 0)

{

h = true;

}

while (cin.fail() || h)

{

cout << "Error: Enter only a positive integer please" << endl;

cout << "Enter in a new value " << endl;

cin >> integer;

if (h >= 0)

{

h = false;

}

}

deletenode(integer);

}

system("pause");

return 0;

}

convert this c++ code to pseudocode please