my code is giving me 16 errors on c++ i need it to be fixed
#include <fstream.h>
#include <iostream.h>
#include <iomanip.h>
#include <conio.h>
#include <math.h>
#include <string.h>
int sumofarray(int a[50], int c);
int maxofarray(int a1[50], int c1);
char * con(const char * first, const char * second);
void main()
{
char lastname1[256], ch, lastname[256], *c;
int array1[50], i, j, k, temp = 0, max, user = 0, count = 0;
double avg, sum1, SIZE;
ofstream inFile;
clrscr();
while (user == 0)
{
temp = 0;
while (temp == 0)
{
cout << “Input filename: “;
cin >> lastname1;
c = con(lastname1, “.txt”);
cout << “Input the Size of array =: “;
cin >> SIZE;
if (SIZE<0 || SIZE>50)
cout << “Please Enter the Positive value of Size between 1 to 50”;
else
temp = 1;
}
cout << “Please Enter ” << SIZE << ” Numbers into array.” << endl << endl;
for (i = 0; i<SIZE; i++)
{
cout << “Please Enter ” << i + 1 << ” Number into array==>”;
cin >> array1[i];
cout << endl;
}
sum1 = sumofarray(array1, SIZE);
avg = (sum1 / SIZE);
cout << “The average is= ” << avg;
max = maxofarray(array1, SIZE);
cout << “The maximum no is= ” << max << endl;
inFile.open(c, ios::in);
inFile << “The values in the array is ” << endl << endl;
for (i = 0; i<SIZE; i++)
{
inFile << i + 1 << ” element is=> ” << array1[i] << endl;
}
inFile << ” The sum of array is => ” << sum1 << endl;
inFile << ” The average of array is => ” << avg << endl;
inFile << ” The maximum element of array is => ” << max << endl << endl;
inFile << “The File is genrated by ” << lastname1;
inFile.close();
cout << “You want to continue pres ‘y’ for yes ‘n’ for no” << endl;
cin >> ch;
if (ch == ‘y’)
{
user = 0;
// lastname1[256]=”;
//delete []lastname1;
count++;
}
else if (ch == ‘n’)
user = 1;
else
cout << “Plesr enter ‘y’ or ‘n’”;
}
// Make sure the file stream is good
getch();
}
char * con(const char * first, const char * second) {
int l1 = 0, l2 = 0, i;
const char * f = first, *l = second;
// step 1 – find lengths (you can also use strlen)
while (*f++) ++l1;
while (*l++) ++l2;
char *result = new char[l1 + l2];
// then concatenate
for (i = 0; i < l1; i++) result[i] = first[i];
for (i = l1; i < l1 + l2; i++) result[i] = second[i – l1];
// finally, “cap” result with terminating null char
result[l1 + l2] = ”;
return result;
}
int sumofarray(int b[50], int len)
{
int sum = 0, i;
for (i = 0; i<len; i++)
{
sum = sum + b[i];
}
return sum;
}
int maxofarray(int b[50], int len)
{
int temp = 0, i;
for (i = 0; i<len; i++)
{
if (temp <= b[i])
temp = b[i];
}
return temp;
}
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