Problem 42317. De-primed
Write a function that will multiply every prime number in the array or matrix by two, leaving all other numbers the same, and return that de-primed array or matrix. One will be treated as prime in this problem.
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Operations
- 32 Problems
- 14 Finishers
- modular arithmetic
- Sum the 'edge' values of a matrix
- Subtract integers and add doubles
- Multiplication
- Let's get back to school, and create multiplication tables
- Make an N-dimensional Multiplication Table
- Mmm! Multi-dimensional Matrix Multiplication
- Accurate Division
- Number of even divisors of a given number
- Raise a polynomial to a power
- Array ex-OR
- Airline Ticket Mod7 Checksum
- Determinant without using det()
- Calculate the hypotenuse of a right triangle without using ^ and sqrt ()
- Calculate sin(x) without sin(x)
- Calculate cosine without cos(x)
- Negative without '-'
- calculate PI without using pi function
- Church Encoding
- Concatenated roots
- Product of Each Column
- Perl 1: push
- Vector push
- Vector pop
- Shuffle
- Please check the last row
- Converting Decimal to Binary
- Temperature Conversion Utility
- Temperature Conversion Utility (Strings)
- Calculate the sum of two polynomials
- Moving average (variable kernel length)
- Weighted average
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