Error stray 240 in program

Question

It is wanted of me to implement the following function   void  calc     double   a   double   b   int  r   int  c   double    f    double       Parameters  a   r   c  and  f  are  input  and  b  is  output      a     and     b     are  2d  matrices  with     r     rows  and     c      columns      f     is  a  function  pointer  which  can  point  to  any  function  of  the  following  type   double  function-name     double  x                             Function  calc  converts  every  element  in  matrix  a   i e    aij   to  bij f aij   in  matrix  b         I implement the calc function as follows  and put it in a program to test it    include  lt stdlib h gt   include  lt iostream gt   using namespace std   double f1  double x        return x   1 7     void  calc     double   a   double   b   int  r   int  c   double    f    double             double input      double output       for int i 0 i lt r c i                  input a i           output   f  input           b i  output           int main           input array      int r 3      int c 4      double  a   new double r c       double  b   new double r c          fill  a  with test data                for  int i 0 i lt r c i                  a i  i                transform a to b    calc   a  b  r  c  f1           print to test if the results are OK                for  int i 0 i lt r c i                  b i  i             return 0      The problem is  I can t compile it  This is the output of DevC   when I click on Compile and Execute button      What s wrong   I appreciate any comment to make the implementation more efficient

User · Answer

The  240 error is due to illegal spaces before every code of line   eg    Do  printf  Anything     instead of   printf  Anything     This error is common when you copied and pasted the code in the IDE

User · Answer

I got the same error when I just copied the complete line but when I rewrite the code again i e  instead of copy-paste  writing it completely then the error was no longer present   Conclusion  There might be some unacceptable words to the language got copied giving rise to this error

User · Answer

I faced the same problem due to illegal spaces in my entire code   I fixed it by selecting one of these spaces and use find and replace to replace all matches with regular spaces

User · Answer

It appears you have illegal characters in your source  I cannot figure out what character  240 should be but apparently it is around the start of line 10  In the code you posted  the issue does not exist  Live On Coliru

User · Answer

As mentioned in a previous reply  this generally comes when compiling copy pasted code  If you have a bash shell  the following command generally works   iconv -f utf-8 -t ascii  translit input c  gt  output c

User · Answer

SOLUTION  DELETE THAT LINE OF CODE   IF YOU COPIED IT FROM ANOTHER SOURCE DOCUMENT  AND TYPE IT YOURSELF   Error  stray   240  in program is simply a character encoding error message   From my experience  it is just a matter of character encoding  For example  if you copy a piece of code from a web page or you first write it in a text editor before copying and pasting in an IDE  it can come with the character encoding of the source document or editor

User · Answer

Your Program has invalid invisible characters in it  You most likely would have picked up these invisible characters when you copy and past code from another website or sometimes a document  Copying the code from the site into another text document and then copying and pasting into your code editor may work  but depending on how long your code is you should just go with typing it out word for word

[c++] Error: stray '\240' in program

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