Задание 24. Информатика. ЕГЭ. Поляков-6055

Python

s = open('6051.txt').readline().strip()
po = [x for x in range(len(s)) if s[x] == 'F']
ml = 0
t = 0
for x, y in zip(po, po[1:]):
    pe = [z for z in range(x, y) if s[z] == 'E']
    if len(pe) > 4 and all(s[a:b].count('A') == 1 for a, b in zip(pe, pe[1:])):
        t += y - x
    else:
        ml = max(ml, t + 1)
        t = 0
print(ml)

Ответ: \(35\)