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
s=input().split('.')
s2=input()
res=''
#ip转num
for i in s:
res+=bin(int(i,10))[2:].rjust(8,'0')
print(int(res,2))
#num转ip
w=bin(int(s2,10))[2:]#10100 0000011 00000011 11000001
p=w.rjust(32,'0') #00001010 00000011 00000011 11000001
res=[]
j=0
for i in range(4):
res.append(int(p[j:j+8],2))
j+=8
print(*res,sep='.')
s2=input()
res=''
#ip转num
for i in s:
res+=bin(int(i,10))[2:].rjust(8,'0')
print(int(res,2))
#num转ip
w=bin(int(s2,10))[2:]#10100 0000011 00000011 11000001
p=w.rjust(32,'0') #00001010 00000011 00000011 11000001
res=[]
j=0
for i in range(4):
res.append(int(p[j:j+8],2))
j+=8
print(*res,sep='.')
哈哈哈，看过一个段子，随机选一半简历丢进垃圾桶，然后说运气不好的同学是干不了投行的