Задание 8. Информатика. ЕГЭ 2026. Крылов. Вариант 9

Решение с itertools

Python

from itertools import product

w = list('ФАВОРИТ')
w.sort()

q = 0
for i, word in enumerate(product(w, repeat=6),1):
   q += i % 2 == 0 and word[0] != 'О' and word.count('Р') == 2
print(q)

Старое решение

Python

s = list('ФАВОРИТ')
s.sort()

i, count = 0, 0

for a in s:
    for b in s:
        for c in s:
            for d in s:
                for e in s:
                    for f in s:
                        i += 1
                        word = a + b + c + d + e + f

                        if i % 2 == 0 and a != 'О' and word.count('Р') == 2:
                            count += 1

print(count)

Ответ: \(8640\)