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
import sys lines = [] while True: try: lines.append(input()) except: break def parse_ip(ip): ip_list = ip.split(".") new_ip = ''.join(map(lambda x: bin(int(x))[2:].zfill(8), ip_list)) return int(new_ip,2) def parse_addr(addr): addr_list = [] addr = bin(int(addr))[2:].zfill(32) for i in range(0,32,8): addr_parse = str(int(addr[i:i+8],2)) addr_list.append(addr_parse) i += 8 return '.'.join(addr_list) print(parse_ip(lines[0])) print(parse_addr(lines[1]))