Tính giai thừa `1<=n<=10\ 002` C/C++, Python, Pascal, Java ... TG : 1s - Cấm hàm có sẵn Mã test : tên web onlgdb + 6KOpYO5cn

from sub import counting_time

def factorial(x):
    res = 1
    for _ in range(1, x+1): res *= _
    return res
    
def main():
    print(factorial(n))
    
n = int(input())
print(counting_time(main))

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(Ảnh: n = 10002)

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