题解 | #整数与IP地址间的转换#
整数与IP地址间的转换
https://www.nowcoder.com/practice/66ca0e28f90c42a196afd78cc9c496ea
IP = input().split(".")
n = int(input())
IP_n = ""
n_IP = ""
for i in IP:
if len(bin(int(i))[2:]) != 8:
i = "0" * (8 - len(bin(int(i))[2:])) + bin(int(i))[2:]
IP_n += i
if len(bin(int(i))[2:]) == 8:
IP_n += bin(int(i))[2:]
print(int(IP_n, 2))
n_IP = "0" * (32 - len(bin(n)[2:])) + bin(n)[2:]
n_IP = (
str(int(n_IP[0:8], 2))
+ "."
+ str(int(n_IP[8:16], 2))
+ "."
+ str(int(n_IP[16:24], 2))
+ "."
+ str(int(n_IP[24:], 2))
)
print(n_IP)