题解 | #求最大连续bit数#速度有点慢

while True:

try:
    n = int(input())
    bin_str = bin(n)
    max_len = 0
    for i in range(len(bin_str)):
        if bin_str[i] != '1':
            continue
        for j in range(i, len(bin_str)):
            if bin_str[i: j + 1].count('1') == len(bin_str[i: j + 1]):
                if len(bin_str[i: j + 1]) > max_len:
                    max_len = len(bin_str[i: j + 1])
    print(max_len)
except:
    break