Codeforces.Virtual

Documentation

data VirtualUser

Represents the virtual participation of the user in this contest.

Constructors

VirtualUser

Fields

• vuPoints :: Points

  Points scored in the virtual contest.

• vuPenalty :: Int

  User's penalty in the virtual contest.

• vuRating :: Rating

  Current rating of the user.

Instances

Show VirtualUser

Defined in Codeforces.Virtual.Types

Methods

showsPrec :: Int -> VirtualUser -> ShowS

show :: VirtualUser -> String

showList :: [VirtualUser] -> ShowS

data VirtualResult

A virtual participation result

Constructors

VirtualResult

Fields

• virtualRank :: Int
• virtualDelta :: Delta
• virtualSeed :: Seed

Instances

Show VirtualResult

Defined in Codeforces.Virtual.Types

Methods

showsPrec :: Int -> VirtualResult -> ShowS

show :: VirtualResult -> String

showList :: [VirtualResult] -> ShowS

type Delta = Int

Difference in rating between a user's current rating, and their rating following this contest.

type Seed = Float

The seed is the expected ranking for each participant before the contest begins.

A contestant's rating increases should they perform better than their seed, and decreases should they perform worse.

calculateResult

Arguments

:: VirtualUser

Details about the virtual participation.

-> [RatingChange]

Rating changes for this contest

-> [RanklistRow]

Standings for this contest.

-> Maybe VirtualResult

Contest results for this user

Computes the results the user would have had, had they participated in this contest live with their current rating.