Answer to Question stdio-outf-1

#include <cstdio>
using namespace std;

int main(int argc, char** argv)
{
  FILE* f = fopen("robinhood.txt", "w");

  if(f != NULL)
  {
    fprintf(f, "Robin hood and his merry men");
    fclose(f);
    return 0;
  }
  else
  {
    printf("File %s cannot be opened for writing\n", "robinhood.txt");
    return 1;
  }
}