This is wut i came up with until now but i m unable to correct the errors i have no clue wut is wrong here

//File: array.cpp
//PURPOSE: To create a program that reads input from a text file
//and counts the frequency of all characters in the file.

#include <iostream>
#include <fstream>
#include <cstdlib>
#include <cctype>
using namespace std;

const int a = 91;
void PrintOccurrences(const int[]); // prototype

int main ()
{
int freq_count[a];
char character, index;
ifstream myinput;
ofstream myoutpt;

myinput.open();
if (myinput.fail())
{
cout << "Input file opening failed. \n" << endl;
exit(1);
}
for(int i = 0; i < a; i++)
{
freq_count[i] = 0;
}
while(myinput)
{
if (isalpha ( ch ) )
{
if ( islower ( ch ) )
ch = toupper ( ch ) ;

freqCount [ ch ] = freqCount [ ch ] + 1 ;
}
dataFile. get ( ch ) ; // get next character
}
PrintOccurrences ( freqCount ) ;
return 0;
}
void PrintOccurrences(/* in */ const int freqCount[])

// Prints each alphabet character and its frequency
// Precondition:
// freqCount [ ‘A’ . . ‘Z’ ] are assigned
// Postcondition:
// freqCount [ ‘A’ . . ‘Z’ ] have been printed
{ char index ;

cout << “File contained “ << endl ;
cout << “LETTER OCCURRENCES” << endl ;
for ( index = ‘A’ ; index < = ‘Z’ ; index ++ )
{
cout << setw ( 4 ) << index << setw ( 10 )
<< freqCount [ index ] << endl ;
}
}

I see that you are missing variables declariation, incorrect use of some function, incorrect use of variable name declared and so on. You have just easy compile error, start correcting them.

hey i actually fixed all that too but it is still giving me errorsfor setw i dont understand wut to do with it or probably look at the following i made this code it works fine but i dont know wut i did tht instead of giving me my desired output its giving me the location of my assignment

It works fine for me.
But I removed the Command-line parameters and added the Filename directly.

What output are you getting?

If the Assignment path is shown, then the argv[0] is being displayed.