Category "permutation"

Visualizing the permutohedron in 3D plot

I am trying to plot the Permutohedron in python using plotly, numpy, and pandas. This is my current code: import plotly.express as px import numpy as np import

Calculating a list of valid combinations

So I came up with a problem that I can’t logically solve. I’ve fleshed out an example; You have a list of numbers that you need to output (e.g. 3x n

How to get multiple combinations of multiple lists in python (Multiple n Choose K or nCr)

I have been looking on google and stack overflow for a few hours and I am sure there is an answer for what this is mathematically or perhaps it is just what the

Count of combinations with repetitions

I have a very inefficient way of counting the combinations of N/2 items from an array of size N. What I do is sort the array to begin with and then loop through

python string split by separator all possible permutations

This might be heavily related to similar questions as Python 3.3: Split string and create all combinations , but I can't infer a pythonic solution out of this.

Heap's algorithm for permutations

I'm preparing for interviews and I'm trying to memorize Heap's algorithm: procedure generate(n : integer, A : array of any): if n = 1 then output

How to get the maximum possible value obtained by deleting only one digit

I came across this codility test, in which I need to return the maximum possible value obtained by deleting one '5' digit from a number, for example: n = 15958