DISK FILLER MULTI THREADING

#include <windows.h>
#include <iostream>
#include <conio.h>
#include <iomanip>
#include <string>
#include <cmath>
#include <fstream>
using namespace std;

//Header declarations
long WINAPI WriteToDisk(int koko);
void gotoxy(int x, int y );
bool CheckIfAllFlase(void);
double WrittenData[10];
  HANDLE hThread[10];
  DWORD dwID[10];
  DWORD dwRetVal = 0;
  long double TotalData_d;
  DWORD TotalThread;
  long double TotalDataByThread;
  long double ActualWrittenBytes;
  long double LastActualWrittenBytes;
  string TempData;
  long double SizeOfTempData = 20971520;
  bool started[10];


int main(void){
	ActualWrittenBytes = 0;
	LastActualWrittenBytes = 0;
  //int DataByThread;
  cout << "What space would you want to fill in Bytes ( more than 1024 * number of Thread ):";
	cin >> TotalData_d;
	do{
		cout << "How much Thread will be running [1 to 10]:";
		cin >> TotalThread;
	}while(TotalThread >= 11 || TotalThread == 0);
	TotalDataByThread = ceil(TotalData_d / TotalThread);

	
	cout << endl << "Each Thread will have to generate " << setprecision(25) << TotalDataByThread << " Bytes of Data";
	cout << endl << endl << "Generating Temporary Data: 1 048 576 zeros... (1MB)";
	for(int i=0; i< 9; i++)
		started[i] = false;
	for(int i=1; i< SizeOfTempData+1; i++)
		TempData.insert(i-1,"0");
	cout << endl << endl << "Temporary Data Successfully created Are you Ready to fill your Disk?";
	cout << endl << "Press any key to continue or close this window";
	_getch();

	system("cls");
	cout << "Starting Processes...";
	cout << endl;
	for(int i=0; i < int(TotalThread); i++){
		hThread[i] = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)WriteToDisk,NULL,0,&dwID[i]);
	cout << "\t Thread #" << i+1 << " is running..." << endl;
	}
	do{
		gotoxy(0,0);
		ActualWrittenBytes = 0;
		for(int i=0; i< 9; i++)
			ActualWrittenBytes += WrittenData[i];
		//system("cls");
		cout << "Starting Processes..." << endl;
		for(int i=0; i< int(TotalThread); i++){
			cout << "\t Thread #" << i+1 << " is running...";
			cout << WrittenData[i] << " Bytes" << endl;
		}
		cout << endl << "Writing Speed : " << ceil((ActualWrittenBytes - LastActualWrittenBytes) / ( 1024) / (1024)) << " MB/s";
		cout << endl << "Progress : " << ceil((ActualWrittenBytes / TotalData_d) * 100) << "%";
		cout << endl << "Total Written Data : " << ceil(ActualWrittenBytes / 1024 / 1024) << " MB on " << ceil(TotalData_d /1024 /1024) << " MB";
		LastActualWrittenBytes = ActualWrittenBytes;
		Sleep(1000);
	}while(CheckIfAllFlase());

	for(int i=0; i< int(TotalThread); i++)
		CloseHandle(hThread[i]);

	cout << endl << endl << endl << "Work is Done!!!";
	_getch();
  return 0;
}

long WINAPI WriteToDisk(int koko){
	byte TH;
	TH=0;
	do{
		if(started[TH] == true)
			TH++;
	}while(started[TH] == true);
	started[TH]= true;
	WrittenData[TH] = 0;
	fstream myfile;
	string path = "E:\\";
	char ID_c[2];
	itoa(TH+1,ID_c,10);
	path.insert(3,ID_c);
	myfile.open( path.c_str());
	long double Repeat = ceil(TotalDataByThread / SizeOfTempData);
	for(int i=0; i < Repeat; i++){
		myfile << TempData;
		WrittenData[TH] += SizeOfTempData;
	}
	myfile.close();
	started[TH]= false;
	return 0;
}

void gotoxy(int x, int y ){
  COORD coord;
  coord.X = x;
  coord.Y = y;
  SetConsoleCursorPosition(
    GetStdHandle( STD_OUTPUT_HANDLE ),
    coord
    );


}

bool CheckIfAllFlase(void){
	for(int i=0; i< 9; i++){
		if(started[i]==true)
			return true;
	}
	return false;
}