factorial Questions
6
Solved
I need to write a program to input a number and output its factorial's prime factorization in the form:
4!=(2^3)*(3^1)
5!=(2^3)*(3^1)*(5^1)
The problem is I still can't figure out how to get th...
Valentijn asked 17/1, 2014 at 22:5
1
To work with complex numbers, I created a struct Cmplx that stores the real and imaginary parts in two separate variables.
struct Cmplx
{
long double real, imag;
};
I'm having difficulty computin...
Latashialatch asked 4/6, 2024 at 4:15
14
Solved
What is the most efficient method to evaluate the value of "n choose k" ?
The brute force way I think would be to find n! / k! / (n-k)! by calculating each factorial separately.
A better ...
Brittnee asked 8/3, 2013 at 19:35
11
I've been stucked on this question for a really long time.
I've managed to do a single recursive factorial.
def factorial(n):
if n == 0:
return 1
else:
return n * factorial(n-1)
Double facto...
3
Solved
Efficient algorithm to calculate the most right non-zero digit of a number's factorial in Python
Calculate the most right non-zero digit of n factorial efficiently
I want to calculate the right most digit of a given number's factorial and print it. What I've done so far is:
import math
n = int...
Alishiaalisia asked 2/6, 2023 at 7:39
16
Solved
5
Solved
I am trying to calculate the number of trailing zeros in a factorial.
def count(x):
zeros = 0
for i in range (2,x+1):
print(i)
if x > 0:
if i % 5 == 0:
print("count")
zeros +=1
els...
6
Solved
I am trying to write a Java program to calculate factorial of a large number. It seems BigInteger is not able to hold such a large number.
The below is the (straightforward) code I wrote.
public...
Isar asked 24/1, 2012 at 18:57
6
Solved
I am new to Python and currently reading Python 3 for absolute beginner and face following problem.
I would like to calculate factorial with procedure.
request user to input an non negative num...
Postmistress asked 13/2, 2014 at 8:36
4
Solved
I need to calculate 21 factorial in my project.
fn factorial(num: u64) -> u64 {
match num {
0 => 1,
1 => 1,
_ => factorial(num - 1) * num,
}
}
fn main() {
let x = factorial(21);...
5
I tried to calculate poisson distribution in python as below:
p = math.pow(3,idx)
depart = math.exp(-3) * p
depart = depart / math.factorial(idx)
idx ranges from 0
But I got OverflowError: lon...
6
Solved
I have been using this function for calculating factorial numbers in JavaScript:
var f = [];
function factorial (n) {
if (n == 0 || n == 1)
return 1;
if (f[n] > 0)
return f[n];
return f[n]...
Wagonette asked 14/1, 2014 at 23:34
4
Solved
I found FastFactorialFunctions describing a number of algorithms for computing the factorial. Unfortunately, the explanations are terse and I don't feel like sifting through line after line of sour...
Gould asked 17/11, 2009 at 19:55
15
Solved
How can I combine these two functions into one recursive function to have this result:
factorial(6)
1! = 1
2! = 2
3! = 6
4! = 24
5! = 120
6! = 720
This is the current code for my factorial functi...
1
I want to adjust the function's parameters so that the items don't overlap. I've tried changing the rsize, e.size and gap.size but nothing works. Any ideas?
20
Solved
I'm going crazy: Where is the Ruby function for factorial? No, I don't need tutorial implementations, I just want the function from the library. It's not in Math!
I'm starting to doubt, is it a st...
16
Solved
What is an example (in code) of a O(n!) function? It should take appropriate number of operations to run in reference to n; that is, I'm asking about time complexity.
Stickleback asked 17/10, 2010 at 12:37
11
Solved
Hi I'm trying to write a function to find the factorial product of any given number. For example for factorial (6) I would get the product of 6*5*3*2*1.
so for factorial(3) the output would be 6. ...
Foliose asked 1/10, 2014 at 23:49
2
Solved
The following Prolog program defines a predicate fact/2 for computing the factorial of an integer in successor arithmetics:
fact(0, s(0)).
fact(s(X), Y) :-
fact(X, Z),
prod(s(X), Z, Y).
prod(0, ...
Solitta asked 19/8, 2021 at 15:7
5
Solved
I am trying to write a function that will produce the factorial of a provided integer and then reduce the factorial array (by multiplying each array element).
For example:
factor(5) >>> [1, 2, 3,...
Sewel asked 3/3, 2016 at 19:5
5
var lookup = {};
function memoized(n) {
if(n <= 1) { return 1; }
if(lookup[n]) {
return lookup[n];
}
lookup[n] = n * memoized(n - 1);
return lookup[n];
}
vs.
function fact(n) {
if(n ...
Strikebound asked 28/7, 2013 at 6:53
2
Solved
I am trying to implement a tail-recursive factorial calculator but I am still getting a stack overflow. Can anyone help me out in figuring out why?
I have read that Java 8 supports Tail call optim...
Heartstrings asked 6/11, 2020 at 15:9
4
Solved
I am trying to make a code for this problem:
(Source: https://www.codewars.com/kata/insane-coloured-triangles/train/c)
A coloured triangle is created from a row of colours, each of which is
...
Dubose asked 2/12, 2018 at 22:2
10
Solved
When doing this:
int x = 100;
int result = 1;
for (int i = 1; i < (x + 1); i++) {
result = (result * i);
}
System.out.println(result);
This is clearly because the result is too big for an in...
12
Having a little trouble trying calculate the number of trailing zeros in a factorial of a given number. This is one of the challenges from Codewars- can't get mine to pass.
zeros(12) = 2 #=> 1...
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