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WikiCards · Card list · Science cards · Hash table
Uncommon card · Science
Hash table, an Uncommon card
In computer science, a hash table is a data structure that implements an associative array, also called a dictionary or simply map, an associative array is an abstract data type that maps keys to values.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 78
- DEF
- 87
- Power
- 165
- Wikipedia reads a year
- 160,000
Ranked #1,604 of the 3,000 cards of the base set by power (ATK + DEF).
Hash table quiz: 3 questions
Three questions on the Hash table card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
A map ______ by a hash table is called a hash map.
Answer
implemented. A map implemented by a hash table is called a hash map. From the Hash table article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Militia. Militia 89 · Gulf War syndrome 84 · Hash table 78 · Chromesthesia 72 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
Grenade. Grenade 200,000 · Hash table 160,000 · Chromesthesia 90,000 · Geomorphology 58,000 Wikipedia reads over a year.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- A hash table uses a hash function to compute an index, also called a hash code, into an array of buckets or slots, from which the desired value can be found.
- During lookup, the key is hashed and the resulting hash indicates where the corresponding value is stored.
- A map implemented by a hash table is called a hash map.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Hash table article was read about 160,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 78 and blocks with 87: each hit it takes is cut by 35 %.
How to get Hash table
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
Cards close in power
The cards just above and just below Hash table in the power ranking, all domains together.
- JodhpurUncommon · Society · ATK 80 DEF 85
- Ninoy AquinoUncommon · History · ATK 80 DEF 85
- CMOSUncommon · Science · ATK 78 DEF 87
- HailUncommon · Nature · ATK 78 DEF 87
- MilitiaUncommon · History · ATK 89 DEF 76
- RelicUncommon · Society · ATK 81 DEF 84
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Hash table (revision), CC BY-SA 4.0. Photo : Jorge Stolfi, CC BY-SA 3.0, Wikimedia Commons.
