题解 | #整数与IP地址间的转换#
整数与IP地址间的转换
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ip = input() ans = 0 for s in ip.split("."): ans = ans * 256 + int(s) print(ans) arr = [] num = int(input()) for i in range(4): arr.append(str(num % 256)) num //= 256 print(".".join(arr[::-1]))