Задание 24. Информатика. ЕГЭ. Поляков-8944

Python

s = open('8943.txt').readline().strip()
for n in '0123456789':
    s = s.replace(n, ' ')
arr = s.split()
alph = 'PQRSTUVWXYZ'
min_len = float('inf')
for a in arr:
    letters = {}
    for i in range(len(a)):
        if a[i] in alph:
            letters.setdefault(a[i], []).append(i)
    if len(letters) and len(letters) == len(alph):
        pl = {c: 0 for c in alph}
        while all(pl[c] < len(letters[c]) for c in alph):
            curr = [letters[c][pl[c]] for c in alph]
            curr.sort()
            min_len = min(curr[-1] -  curr[0] + 1, min_len)
            j = curr[0]
            pl[a[j]] += 1
print(min_len)

Ответ: \(23\)