Word Solver 2.0

#include <iostream>
#include <fstream>
#include <windows.h>

using namespace std;

int lineCount=0;
string words[10000];
string hint;

void updateList()
{
    ifstream file("gtb.txt");
    string text;
    while(getline(file,text))
    {
        words[lineCount]+=text;
        lineCount++;
    }
    file.close();
    cout<<"Total Themes Available: "<<lineCount<<endl;
}

void repeatCheck()
{
    string temp, repeatedWordsList="";
    bool repeat=false;
    for(int c=0;c<lineCount;c++)
    {
        for(int x=0;x<lineCount;x++)
        {
            temp=words[c];
            if(temp==words[x]&&x>c)
            {
                repeatedWordsList+=temp;
                repeatedWordsList+=", ";
                repeat=true;
            }
        }
    }
    if(repeat==true)cout<<"Repeated Words Found: "<<repeatedWordsList<<endl;
}

int main()
{
    updateList();
    repeatCheck();
    while(hint!="end")
    {
        cout<<"Hint: ";
        getline(cin,hint);
        system("cls");
        if(hint=="add")
        {
            string newTheme;
            ofstream file("gtb.txt");
            cout<<"Theme to be added: ";
            getline(cin,newTheme);
            for(int c=0;c<lineCount;c++)file<<words[c]<<endl;
            file<<newTheme<<endl;
            cout<<newTheme<<" has been added to the list!"<<endl;
            file.close();
            for(int c=0;c<lineCount;c++)words[c]="";
            lineCount=0;
            updateList();
            repeatCheck();
        }
        else if(hint=="substr")
        {
            string substrHint="";
            cout<<"What is the substring within the hint?: ";
            getline(cin,substrHint);
            system("cls");
            for(int c=0;c<lineCount;c++)if(words[c].find(substrHint)!=string::npos)cout<<words[c]<<endl;
        }
        else if(hint=="remove")
        {
            string wordDelete;
            string deletedWord;
            ofstream file("gtb.txt");
            cout<<"Theme to be removed: ";
            getline(cin,wordDelete);
            for(int c=0;c<lineCount;c++)
            {
                if(words[c]!=wordDelete||words[c]==deletedWord)file<<words[c]<<endl;
                else if(words[c]==wordDelete)deletedWord=words[c];
            }
            cout<<wordDelete<<" has been removed from the list!"<<endl;
            file.close();
            for(int c=0;c<lineCount;c++)words[c]="";
            lineCount=0;
            updateList();
            repeatCheck();
        }
        else if(hint=="undo")
        {
            cout<<"Your last action has been undone!"<<endl;
        }
        for(int c=0;c<lineCount;c++)
        {
            bool possibleWord=true;
            int numOfSpaces=0;
            int tempHSpace=hint.find(' ');
            int tempWSpace=words[c].find(' ');
            int tempHSpace2=hint.find(' ',tempHSpace);
            int tempWSpace2=words[c].find(' ',tempWSpace);
            if(tempHSpace!=-1&&tempWSpace!=-1&&tempHSpace2==-1&&tempWSpace2==-1)numOfSpaces=1;
            else if(tempHSpace!=-1&&tempWSpace!=-1&&tempHSpace2!=-1&&tempWSpace2!=-1)numOfSpaces=2;
            if(hint.length()==words[c].length())
            {
                if(hint.find(' ')==string::npos&&words[c].find(' ')==string::npos)
                {
                    for(int x=0;x<hint.length();x++)if(hint[x]!='.'&&hint[x]!=words[c][x])possibleWord=false;
                    if(possibleWord==true)cout<<words[c]<<endl;
                }
                else if(numOfSpaces==1)
                {
                    int hspace1=hint.find(' ');
                    int wspace1=words[c].find(' ');
                    if(hspace1==wspace1)
                    {
                        for(int x=0;x<hint.length();x++)if(hint[x]!='.'&&hint[x]!=' '&&hint[x]!=words[c][x])possibleWord=false;
                        if(possibleWord==true)cout<<words[c]<<endl;
                    }
                }
                else if(numOfSpaces==2)
                {
                    int hspace1=hint.find(' ');
                    int wspace1=words[c].find(' ');
                    int hspace2=hint.rfind(' ');
                    int wspace2=words[c].rfind(' ');
                    if(hspace1==wspace1&&hspace2==wspace2)
                    {
                        for(int x=0;x<hint.length();x++)if(hint[x]!='.'&&hint[x]!=' '&&hint[x]!=words[c][x])possibleWord=false;
                        if(possibleWord==true)cout<<words[c]<<endl;
                    }
                }
            }
        }
    }
}

///Ideas
///Undo last action (adding words)
///Delete specific words
///Create backup file (Just in case :])