Giai thừa không có đệ quy trong python

Giai thừa của một số nguyên không âm, là phép nhân của tất cả các số nguyên nhỏ hơn hoặc bằng n. Ví dụ giai thừa của 6 là 6*5*4*3*2*1 là 720

1. phương pháp đệ quy.  

trăn3

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đầu ra

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Độ phức tạp về thời gian. O[n]
Không gian phụ. O[n]

2. cách tiếp cận lặp đi lặp lại

Phương pháp1

trăn3

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Độ phức tạp về thời gian. O[n]
Không gian phụ. Ô[1]

Phương pháp2.  

Python3

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Độ phức tạp về thời gian. O[n]
Không gian phụ. Ô[1]

3. Giải pháp một dòng [Sử dụng toán tử bậc ba].  

Python3

Factorial of 5 is 120

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Độ phức tạp về thời gian. O[n]
Không gian phụ. O[n]

Vui lòng tham khảo toàn bộ bài viết về Chương trình giai thừa của một số để biết thêm chi tiết

4. Bằng cách sử dụng chức năng dựng sẵn.  

Trong Python, mô-đun toán học chứa một số phép toán, có thể được thực hiện dễ dàng bằng mô-đun. môn Toán. hàm giai thừa [] trả về giai thừa của số mong muốn

cú pháp. môn Toán. giai thừa[x]

Tham số.
x. Đây là một biểu thức số.

trả lại. giai thừa của số mong muốn

Python3

Factorial of 5 is 120

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đầu ra

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Phương pháp. sử dụng numpy. sản xuất

Python3

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Làm cách nào để tìm giai thừa của một số mà không cần đệ quy trong Python?

Giai thừa chỉ có thể được tính theo cách đệ quy?

Có toán tử giai thừa nào trong Python không?

Công thức giai thừa trong Python là gì?