[백준/파이썬] 24296번 ЛИНИЯ

-Code

n = int(input())
res, flag = 2, False

while True:
    temp = res

    while True:
        if temp == n:
            flag = True
            break

        if temp > n:
            break

        temp += temp - 1

    if flag:
        break

    res += 1

print(res)