Category "combinations"

substitute characters in a string in all possible combinations

Character substitution in all possible combinations I have string as follows, XGXXGXXGGXXGXXGX I would like to iteratively substitute X's for either one, two,

How to combine two vectors of references without consuming an iterator?

I want to combine two reference vectors and convert them into a vector of values without consuming an iterator. Situation: Generate vectors by iterating over sp

How to flatten tree structure into array of arrays

Given a structure like this: var node = { children: [] } That is to say: It only has children property. No parent property. No nextSibling property. How to

Generating combinations in c++

I have been searching a source code for generating combination using c++. I found some advanced codes for this but that is good for only specific number predefi