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Search options not deleted user 281718

For code that aims to solve problems in all branches of mathematics. (Please do NOT use this tag for incidental trivial use of arithmetic. A simple test to apply is: would an amateur or professional mathematician take an interest in the question?)

2 votes
1 answer
128 views

Combinations of elements in array

I wrote this code to get all possible arrangements for an array containing 3 elements: let a = ["A", "B", "C"]; let b = []; function change(A) { let x = []; for (let i = 0; i < A.length; i++) …
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