Thread: Reading data and Saving Data to file while using structures

I'm having trouble finishing this program i have been working on. It works fine with the stuff i had edited out, but once i try to add the cost option the program doesn't get past saving and opening the initial data. The cost data appears to be the same as all my other options any idea where I'm going wrong?

Code:

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


void main ()

{	
int numanswer;
int redo;
int i;
int k;

char answer,answer2, answer3, answer4, phone_search[20];
struct dvds_r_us
{
char title[30];
char main_star[30];
char length[15];
char genre[30];
char renter_name[30];
char renter_number[20];
char cost[15];
};

dvds_r_us renter_search[100];

ofstream outfile;
ifstream infile;

cout << "Is this the first time you have run this program?(y/n)\n";
cin >> answer2;



if(answer2 == 'y' || answer2 == 'Y')
{

outfile.open("renters.DAT",ios::out);
if (outfile)
{
		
for (k = 1; k <= 100; k++)
{

strcpy(renter_search[k].title,"Empty");
strcpy(renter_search[k].main_star,"Empty");
strcpy(renter_search[k].length,"Empty");
strcpy(renter_search[k].genre,"Empty");
strcpy(renter_search[k].renter_name,"Empty");
strcpy(renter_search[k].renter_number,"Empty");
//strcpy(renter_search[k].cost,"Empty");

outfile << renter_search[k].title << endl;
outfile << renter_search[k].main_star << endl;
outfile << renter_search[k].length << endl;
outfile << renter_search[k].genre << endl;
outfile << renter_search[k].renter_name << endl;
outfile << renter_search[k].renter_number << endl;
//outfile << renter_search[k].cost << endl;

}
}
else
{
cout << "An error has occured opening the file.\n";
}

outfile.close();

}

do
{

answer3 = 0;

infile.open("renters.DAT",ios::in);

if (infile)
{
for (k = 1; k <= 100; k++)
{
infile.get(renter_search[k].title,30);
infile.ignore(80,'\n');
infile.get(renter_search[k].main_star,30);
infile.ignore(80,'\n');
infile.get(renter_search[k].length,15);
infile.ignore(80,'\n');
infile.get(renter_search[k].genre,30);
infile.ignore(80,'\n');
infile.get(renter_search[k].renter_name,30);
infile.ignore(80,'\n');
infile.get(renter_search[k].renter_number,20);
infile.ignore(80,'\n');
//infile.get(renter_search[k].cost,15);
//infile.ignore(80,'\n');
}

cout << "Do you wish to search for a renter by his/her phone number?(y/n)\n";
cin >> answer4;

if (answer4 == 'y' || answer4 == 'Y')
{
cout << "Enter the phone number of the person you are searching for\n";
cin >> phone_search;
cin.ignore(80, '\n');

for (i = 1; i <= 100; i++)
{
if (strcmp(renter_search[i].renter_number,phone_search) == 0)
{
cout << "The current statistics for the DVD number which is the " << i << " most popular." << endl;
cout << "1.(title) " << renter_search[i].title << endl;
cout << "2.(main_star) " << renter_search[i].main_star << endl;
cout << "3.(length) " << renter_search[i].length << endl;
cout << "4.(genre) " << renter_search[i].genre << endl;
cout << "5.(renter's name) " << renter_search[i].renter_name << endl;
cout << "6.(renter's phone #) " << renter_search[i].renter_number << endl;
//cout << "7.(cost) " << renter_search[i].cost << endl;
}
}
}
if (answer4 == 'n' || answer4 == 'N')
{


cout << "Please enter the number with which you wish to view the stats of that DVD. \n";
cin >> i;

cout << "The current statistics for the DVD number which is the " << i << " most popular." << endl;
cout << "1.(title) " << renter_search[i].title << endl;
cout << "2.(main_star) " << renter_search[i].main_star << endl;
cout << "3.(length) " << renter_search[i].length << endl;
cout << "4.(genre) " << renter_search[i].genre << endl;
cout << "5.(renter's name) " << renter_search[i].renter_name << endl;
cout << "6.(renter's phone #) " << renter_search[i].renter_number << endl;
//cout << "7.(cost) " << renter_search[i].cost << endl;
}
}
else
{
cout << "An error occurred while opening the file.\n";
}

infile.close();

cout << "Do you wish to change any of these stats?(y/n)\n";
cin >> answer;

if (answer == 'y' || answer == 'Y')
{

do
{
		
redo = 0;

cout << "Which statistic do you wish to change?(#)\n";
cin >> numanswer;

if (numanswer == 1)
{
cout << "Enter the new title for this movie.\n";
cin >> renter_search[i].title;
}

if (numanswer == 2)
{
cout << "Enter the new main star for this movie.\n";
cin >> renter_search[i].main_star;
}

if (numanswer == 3)
{
cout << "Enter the new length for this movie.\n";
cin >> renter_search[i].length;
}

if (numanswer == 4)
{
cout << "Enter the new genre for this movie.\n";
cin >> renter_search[i].genre;
}

if (numanswer == 5)
{
cout << "Enter the new renter for this movie.\n";
cin >> renter_search[i].renter_name;
}
if (numanswer == 6)
{
cout << "Enter the new renter's phone number for this movie.\n";
cin >> renter_search[i].renter_number;
}
if (numanswer == 7)
{
cout << "Enter the new cost for this movie.\n";
cin >> renter_search[i].cost;
}

if (numanswer < 1 || numanswer > 7)
{
redo = 1;
}

}
while (redo == 1);

}
	


outfile.open("renters.DAT",ios::out);
for (i = 1; i <= 100; i++)
{
if (outfile)
{
outfile << renter_search[i].title << endl;
outfile << renter_search[i].main_star << endl;
outfile << renter_search[i].length << endl;
outfile << renter_search[i].genre << endl;
outfile << renter_search[i].renter_name << endl;
outfile << renter_search[i].renter_number << endl;
//outfile << renter_search[i].cost << endl;
}
else
{
cout << "An error has occured opening the file.\n";
}
}

outfile.close();

cout << "Do you wish to continue with this program?(y/n)";
cin >> answer3;

}
while (answer3 != 'n');

}