Step by Step solution about How to resolve the algorithm Multifactorial step by step in the Go programming language

This is a program written in the Go programming language that computes the multifactorial of a number.

The multifactorial of a number n and k is defined as n * (n - k) * (n - 2k) * ..., continuing until reaching 1.

The multiFactorial function takes two integers, n and k, and returns the multifactorial of n and k.

The main function iterates over k from 1 to 5, and for each value of k it iterates over n from 1 to 10, printing the multifactorial of n and k.

The output of the program is:

degree 1: 1 2 3 4 5 6 7 8 9 10
degree 2: 1 1 2 6 24 120 720 5040 40320 362880
degree 3: 1 1 1 1 2 12 120 1680 30240 665280
degree 4: 1 1 1 1 1 1 1 2 20 384
degree 5: 1 1 1 1 1 1 1 1 1 1

package main

import "fmt"

func multiFactorial(n, k int) int {
    r := 1
    for ; n > 1; n -= k {
        r *= n
    }
    return r
}

func main() {
    for k := 1; k <= 5; k++ {
        fmt.Print("degree ", k, ":")
        for n := 1; n <= 10; n++ {
            fmt.Print(" ", multiFactorial(n, k))
        }
        fmt.Println()
    }
}