Question

Chapter 7, Problem 14PPJ

Problem Solving with C++ (10th Edition) . Then solution under Textbook Solutions is for a different question. Please can someone give me the solution to this question?

Write a program to write a two-dimensional array of doubles to a comma separated (CSV) file. The CSV file should have each number separated by a comma. However, there should be no comma after the last element in a row.

Answer 1

void csv_write(int arr[100][100], int r, int c){
   fstream fout;
   fout.open("filename.csv", ios::out | ios::app);
  
   for(int i=0;i<r;i++){
      for(int j=0;j<c;j++){
          if( j== c-1){
              fout<<arr[i][j];
              fout<<"\n";
          }
          else
               fout<<arr[i][j] <<", "
      }
   }
}