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algorithms/bit/single_number.py at master · Dingxiaofei2017/algorithms · GitHub
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algorithms
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single_number.py
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"""
Given an array of integers, every element appears
twice except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity.
Could you implement it without using extra memory?
"""
def
single_number
(
nums
):
"""
:type nums: List[int]
:rtype: int
"""
i
=
0
for
num
in
nums
:
i
^=
num
return
i
You can’t perform that action at this time.
