Задание 24. Информатика. ЕГЭ. Поляков-7438

Python

s = open('7438.txt').readline().strip()
for d in '0123456789':
    s = s.replace(d, ' ')
s = s.replace('DS', 'D S'). replace('SD', 'S D')

ml = 0

for line in s.split(' '):
    pd = [-1] + [p for p in range(len(line)) if line[p] == 'D'] + [len(line)]
    if len(pd) > 102:
        for x, y in zip(pd, pd[101:]):
            ml = max(ml, y - x - 1)
    elif len(pd) == 102:
        ml = max(ml, len(line))
print(ml)

Ответ: \(644\)