题解 | 整数与IP地址间的转换

import sys

# ip转数字
def solveip(ip):
    res =''
    for p in ip:
        r = f"{p:08b}"
        res+=r
    return int(res,2)

# 数字转ip
def solveda(da):
    #转化为24位的二进制数
    res = []
    b = f"{da:032b}"

    for i in range(4):
        t = b[i*8:(i+1)*8]
        r = int(t,2)
        res.append(str(r))

    return ".".join(res)


ip = list(map(int,input().split('.')))
# print(ip)
da = int(input())
print(solveip(ip))
print(solveda(da))