Bài tập Code
numberInWords
You're practicing writing numbers in word form, according to the following rules: The first letter…
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IsaacRule
There's a popular sequence in mathematics that starts with a given number, and proceeds according…
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differentSquares
Given a rectangular matrix containing only digits, calculate the number of different 2 × 2…
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fileNaming
You are given an array of desired filenames in the order of their creation. Since…
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questionCorrection
A system of Online Q&A needs user's questions to be standardized. A standardized question must…
