题解 | #整数与IP地址间的转换#

import sys
#把ip地址转换成二进制然后十进制
s = input().split(".")
def encode(x):
    bin_x = str(bin(int(x))[2:]).rjust(8,'0')
    
    return bin_x
out_encode = " "
for i in s:
    out_encode += encode(i)
out = int(out_encode, 2)
print(out)

def decode(x):
    int_x = int(x, 2)
    return int_x
    
#把整数转换成2进制然后转换成ip地址
s_2 = str(bin(int(input()))[2:]).rjust(32, '0')
out_decode = ""

for i in range(0, len(s_2), 8):
    if i+8 < len(s_2):
        out_decode += str(decode(s_2[i:i+8]))+"."
    else:
        out_decode += str(decode(s_2[i:i+8]))
    
print(out_decode)