0.Tính giai thừa

Submit solution
Points: 1 (partial)
Time limit: 1.0s
Memory limit: 98M
Author:
PhanHuuTuan
Problem types
Allowed languages
Ada, Assembly, Awk, C, C++, C11, CLANG, CLANGX, Classical, COBOL, Coffee, CSC, D lang, DART, F95, FORTH, Fortrn, GAS32, GO, Haskell, Itercal, Java, kotlin, LEAN, LISP, LUA, MONOVB, Nasm, OCAML, Pascal, Perl, php, PIKE, prolog, Pypy, Python, Ruby 2, RUST, Scala, SCM, SED, SWIFT, TCL, TUR, V8JS, VB, ZIG

Tính n! n!=∏k=1nk

Input

Chứa duy nhất một số nguyên dương N(n≤17)

Output

In ra kết quả của N!

Ví dụ

Input

Copy
6

Output

Copy
720

Comments


  • 0
    TuanKiet_HUSC  commented on March 1, 2024, 10:00 a.m.

    test bài ni ít ghê nên bổ sung thêm test ạ


  • -3
    huymot9  commented on Oct. 16, 2018, 4:03 p.m.

    tự code ))


  • 0
    themiscscvn  commented on Sept. 8, 2017, 2:46 p.m.

    Bài này test yếu.