C / C++ / MFC

if ( computerChoice <= 1 && computerChoice >=3 )
{
  cout << "ERROR\n";
  return -2;
}

if( (computerChoice <= 1) || (computerChoice >=3) )

if ( userChoice>=4 || userChoice<=-1 )
{
  cout << "Invalid Input. \n";
  return -2;
}

if ( userChoice == 0 )
{
 cout << "Quit already." << endl;
 return -2;
}

if ( userChoice > '3' || userChoice < '0' )
{
  cout << "Invalid Input. \n";
  return -2;
}

if ( userChoice == '0' )
{
 cout << "Quit already." << endl;
 return -2;
}

userChoice -= '0';     // ADD THIS LINE

if ( userChoice>=4 || userChoice<=-1) // this if statement checks the input
{
  cout << "Invalid Input. \n";
  return -2;
}

<font color=black><br />
<ul><br />
  Key       Value<br />
  File1     Path to first sln file<br />
  File2     Path to second sln file<br />
  File3     Path to third sln file.<br />
    ...<br />
  FileN     Path to N'th sln file.<br />
</ul><br />
</font>

DSBSTATUS_BUFFERLOST - The buffer is lost and must be restored before it can
be played or locked. 

DSBSTATUS_LOOPING - The buffer is being looped. If this value is not set, the
buffer will stop when it reaches the end of the sound data. This value is
returned only in combination with DSBSTATUS_PLAYING. 

DSBSTATUS_PLAYING - The buffer is playing. If this value is not set, the
buffer is stopped. 

DSBSTATUS_LOCSOFTWARE - The buffer is playing in software. Set only for
buffers created with the DSBCAPS_LOCDEFER flag. 

DSBSTATUS_LOCHARDWARE - The buffer is playing in hardware. Set only for
buffers created with the DSBCAPS_LOCDEFER flag. 

DSBSTATUS_TERMINATED - The buffer was prematurely terminated by the voice
manager and is not playing. Set only for buffers created with the 
DSBCAPS_LOCDEFER flag.