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推廣網站開發,包含 Laravel 和 Kotlin 後端撰寫、自動化測試、讀書心得等。Taiwan Kotlin User Group 管理員。

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Hi, here’s your problem today. This problem was recently asked by Microsoft:

An IP Address is in the format of A.B.C.D, where A, B, C, D are all integers between 0 to 255.

Given a string of numbers, return the possible IP addresses you can make with that string by splitting into 4 parts of A, B, C, D.

Keep in mind that integers can’t start with a 0! (Except for 0)


Input: 1592551013
Output: ['', '']
def ip_addresses(s, ip_parts=[]):
  # Fill this in.

print ip_addresses('1592551013')
# ['', '']