Quizzes for review
The number of ways to correctly match parentheses in an expression with n pairs is given by the Catalan number.
See correct answer
The number of ways to correctly match parentheses in an expression with n pairs is given by the Catalan number.
音声機能が動作しない場合はこちらをご確認ください
Related words
Catalan number
Noun
Japanese Meaning
組み合わせ数学において、再帰的に定義されたオブジェクトに関連する様々な数え上げ問題で現れる自然数の系列。特に、第n項が (2n choose n)/(n+1) で計算される。
Related Words
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
