public IActionResult Create(SubmissionInputModel input)
{
if (!this.ModelState.IsValid)
{
return(this.Redirect($"/Submissions/Create?id={input.ProblemId}&userId={input.UserId}"));
}
submissionsService.CreateSubmission(input.Code, input.ProblemId, input.UserId);
return(this.Redirect("/"));
}
