void ProceeProblemRight(ProblemRights problemAllow, ProblemRights problemDeny, ContestRights contestAllow, ContestRights baseRights,
ProblemRights concreteRights, ref ProblemRights pr)
{
if ((baseRights & contestAllow) != 0)
{
if ((concreteRights & problemDeny) != 0)
{
pr |= problemDeny;
}
else
{
pr |= problemAllow;
}
}
else
{
if ((concreteRights & problemAllow) != 0)
{
pr |= problemAllow;
}
else
{
pr |= problemDeny;
}
}
}
public ProblemRights GetProblemRights(int problemID)
{
ProblemRights pr = ProblemRights.None;
ContestRights baseRights = GetContestRights(Problem.GetProblem(problemID).ContestID);
ProblemRights concreteRights = DataProvider.Provider.UserManager.GetProblemRights(id, problemID);
for (int i = 1; i <= 1024; i *= 4)
{
ProceeProblemRight((ProblemRights)i, (ProblemRights)(i * 2), (ContestRights)i, baseRights, concreteRights, ref pr);
}
return(pr);
}