public function save(Request $request, $id)
 {
     $status = new Status();
     $status->problem_id = $id;
     $status->user_id = '0';
     $status->time = '0';
     $status->memory = '0';
     $leng = $request->input('leng');
     $status->language = $leng;
     //$status->source_code=
     $status->save();
     $status = Status::orderby('solution_id', 'desc')->first();
     $compile = new Compileinfo();
     $compile->solution_id = $status->solution_id;
     $compile->save();
     $code = new Source_code();
     $code->solution_id = $status->solution_id;
     $code->source = $request->input('editor');
     $code->save();
     $code = Source_code::orderby('sourcecode_id', 'desc')->first();
     $run = new Run();
     $run->solution_id = $status->solution_id;
     $run->problem_id = $id;
     $run->language = $leng;
     $run->sourcecode_id = $code->sourcecode_id;
     $run->save();
     return redirect('status/status');
 }