c++

error:

readFile returned a value of 1 when it should have been 0

readFile returned a value of 2 when it should have been 1

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#include #include #include #include

using namespace std;

const int MAX_COLUMNS = 5;

// read input file and populate the array int readFile(double values[][MAX_COLUMNS], int maxRows, string inputFileName) { int i, j;

//Opening file fstream fin(inputFileName, ios::in);

//Checking file if(fin.fail()) { //Failed to open file return -1; }

//Reading data for(i=0; i> values[i][j]; } }

//Closing file fin.close();

//Return number of rows read return i; }

//For complete array double average(double values[][MAX_COLUMNS], int numberRows) { double sum=0; int i,j;

//Iterating over rows for(i=0; i

//Finding and returning average return (sum/(double)(numberRows*MAX_COLUMNS)); }

//for a specified column double columnAverage(double values[][MAX_COLUMNS], int column, int numberRows) { double sum=0; int i;

//Iterating over rows for(i=0; i

//Finding and returning average return (sum/(double)(numberRows)); }

//Smallest value in each row double smallestValue(double values[][MAX_COLUMNS], int rowNumber) { double minVal=values[rowNumber][0]; int i;

//Iterating over columns for(i=0; i

//Return min value return minVal; }

//Main function int main() { int rows, cols; const int MAX_ROWS = 20; string inputFileName; double grades[MAX_ROWS][MAX_COLUMNS]; int actualRows;

//Set to two decimal places cout << fixed << setprecision(2);

//Reading file name

cin >> inputFileName;

//Reading data from file actualRows = readFile(grades, MAX_ROWS, inputFileName);

//Checking number of rows if(actualRows == -1) { //Printing error message cout << endl << " File \"" << inputFileName << "\" could not be opened " << endl; return -1; }

cout << "Processing " << actualRows << " rows, and " << MAX_COLUMNS << " columns ";

//Printing average value cout << " Average for all values is " << average(grades, actualRows);

//Printing column wise average for(cols=0; cols

//Printing row wise smallest value for(rows=0; rows

cout << endl << endl; return 0; }