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#include <iostream>#include "hydro.h"#include "FlowList.h"#include <stdlib.h>#include <fstream>using namespace std;int main(void){	FlowList x;	int numRecords;	displayHeader();	numRecords = readData(x);	while(1)	{		switch(menu())		{			case 1:				display(x);				break;			case 2:			  break;		}	}}void clearScreen(void){	#ifndef UNIX		system("clear")	#endif}void pressEnter(){	cout<<"<<<Press Return to Continue>>>"<<endl;	getchar();}void displayHeader(){	clearScreen();	cout<<"\nHEF Hydropower Studies - Fall 2007"<<endl;	cout<<"Program: Flow Studies"<<endl;	cout<<"Version: 1.0"<<endl;	cout<<"Lab Section: B01"<<endl;	cout<<"Produced By: Brian Hoang"<<endl;	cout<<endl;	pressEnter();}int readData(FlowList* x){	ifstream inObj;	ListItem input_struct;	inObj.open("flow.dat");	if(inObj == NULL)	{		cout<<"There was an error in opening the file."<<endl;		exit(1);	}	while(!inObj.eof())	{		inObj>>input_struct.year>>input_struct.flow;		x.insert(input_struct);	}	return x.count();}int menu(){	int choice = -1;	clearScreen();	cout<<"Please select one of the following operations"<<endl;	cout<<"1. Display data"<<endl;	cout<<"2. Display statistics"<<endl;	cout<<"3. Add data"<<endl;	cout<<"4. Save data into the file"<<endl;	cout<<"5. Remove data"<<endl;	cout<<"6. Remove data"<<endl;	cout<<"Enter your choice (1, 2, 3, ... or 6)"<<endl;	cin>>choice;	cleanStandardInputStream();	return choice;}void display(FlowList* x){	x.display();	pressEnter();}void addData(FlowList* x){	ListItem input_struct;	cout<<"Please enter a year:"<<endl;	cin>>input_struct.year;	cout<<endl;	cout<<"Please enter the flow of that year:"<<endl;	cin>>input_struct.flow;	x.insert(input_struct);	numRecords = x.count();	pressEnter();}void removeData(FlowList* x){	ListItem remove_struct;	cout<<"Please enter the year to be removed:"<<endl;	cin>>remove_struct.year;	x.remove(remove_struct);	numRecords = x.count();	pressEnter();	return;}void saveData(FlowList* x){	x.export();	pressEnter();}void statistics(FlowList* x){	cout<<"The average flow is "<<x.average()<<endl;	cout<<"The median flow is "<<x.median()<<endl;	pressEnter();}void cleanStandardInputStream (void){  int leftover;   do {	leftover = fgetc(stdin);   } while (leftover !='\n' && leftover != EOF);}