Discussion @ 1366. Presents @ Timus Online Judge

akidra_8881 python wrong answer help [3] // Problem 1366. Presents 21 Aug 2020 08:54

import itertools
surprize =[]
x = int(input())
while x > 1:
x -= 1
surprize.append(x)
print (len(list(itertools.permutations (surprize))))

akidra_8881 Re: python wrong answer help [2] // Problem 1366. Presents 23 Aug 2020 07:59

# n = (n - 1) * ((n - 1) + (n - 2))
surprise = []

def f():
    number = int(input())
    number = (number - 1) * ((number - 1) + (number - 2))
    surprise.append(number)

f()
print(surprise[0]//3)

Edited by author 23.08.2020 08:05

Edited by author 04.09.2020 14:21

Edited by author 04.09.2020 14:21

akidra_8881 Re: python wrong answer help [1] // Problem 1366. Presents 26 Aug 2020 09:53

# wrong answer 11
def F(n):
    if n<2:
        return 1
    return n*F(n-1)
n = int(input())
print (int((F(n)+1)//2.718281828459045))

Levon Oganesyan Re: python wrong answer help // Problem 1366. Presents 27 Aug 2020 12:50

Try this formula f(n) = (n-1)*(f(n-1)+f(n-2)) ;)

Edited by author 27.08.2020 12:50

Edited by author 27.08.2020 12:50

Discussion of Problem 1366. Presents