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#include <iostream>
#include <fstream>
#include <iomanip>
#include <cstring>
using namespace std;
const int nCol =6;
void loadArray (int [] [nCol], int);
void printArray (int a2d [] [nCol], int nRow);
void colSum (int a2d [] [nCol], int nRow);
void rowSum (int a2d [] [nCol], int nRow);
void largestInt(int a2d [] [nCol], int nRow);
ofstream outFile;
outFile.open("C:\\Users\\joey\\Documents\\Outputfile9.txt", ios::out);
if ( outFile.fail() )
{
cerr << "\a\aOutput file could not be opened" << endl;
exit(1);
}
int main ()
{
const int nRow = 4;
int arr2d [nRow] [nCol];
loadArray (arr2d, nRow);
printArray (arr2d, nRow);
rowSum (arr2d, nRow);
colSum (arr2d, nRow);
largestInt (arr2d, nRow);
outFile.close();
cin.get();
return 0;
}
void loadArray (int a2d[] [nCol], int nRow)
{
fstream inputFile;
int count=0;
inputFile.open("C:\\Users\\joey zasa\\Documents\\input9.txt", ios::in);
if(inputFile.fail())
{ cerr <<"\a\a\aInput File Path Incorrect\n\n";
cin.get();
exit(EXIT_FAILURE);
}
for (int r=0; r < nRow; r++)
{
for (int c=0; c < nCol; c++)
inputFile >> a2d [r] [c];
}
inputFile.close();
}
void printArray (int a2d[] [nCol], int nRow)
{
for (int r=0; r < nRow; r++)
{
for (int c=0; c < nCol; c++)
{
outFile << setw(10) << r << setw(10) << a2d [r][c] << "\n";
}
}
}
void rowSum (int a2d [] [nCol], int nRow)
{
int rNum=0;
int maxRow=0;
for (int r=0; r < nRow; r++)
{
int sumRow=0;
for (int c=0; c< nCol; c++)
{
sumRow += a2d [r] [c];
}
outFile << setw(20) <<"The sum of Row " << r << " is " << setw(5) << sumRow << endl;
if (r==0)
maxRow=sumRow; // sum of row 1, that is the max so far.
else
if (sumRow > maxRow) // if the sum of the current row is greater than the maximum, than Maximum row is equal to the sum of that row.
// (rNum) keeps track of the number of rows.
{
maxRow=sumRow;
rNum=r;
}
}
outFile << setw(20) <<"The largest sum is " << maxRow << " and its located in row " << rNum << endl;
}
void colSum (int a2d [] [nCol], int nRow)
{
int cNum=0;
int minCol=0;
for (int c=0; c < nCol; c++)
{
int sumCol=0;
for (int r=0; r< nRow; r++)
{
sumCol+= a2d [r] [c];
}
outFile << setw(20) <<"The sum of Column " << c << " is " << setw(5) << sumCol << endl;
if (c==0)
minCol=sumCol;
else
if (sumCol< minCol)
{
sumCol=minCol;
cNum=c;
}
}
outFile << setw(25) << "The smallest sum is " << minCol << " and it is located in column " << cNum << "." <<endl;
}
void largestInt(int a2d [] [nCol], int nRow)
{
int largest= a2d [0] [0];
int rowIndex=0;
int colIndex=0;
for (int r=0; r < nRow; r++)
{
for (int c=0; c < nCol; c++)
{
if (a2d [r] [c] > largest)
{ largest= a2d [r][c];
rowIndex=r;
colIndex=c;
}
}
}
outFile << setw(27) << "The largest number is " << largest << " and is located in row index " << rowIndex
<< " and Column index " << colIndex << "." << endl;
}
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Apr 22, 2013 at 2:31am