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Results tagged with algorithms
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user 63906
An algorithm is a sequence of well-defined steps that defines an abstract solution to a problem. Use this tag when your issue is related to design and analysis of algorithms.
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votes
How to develop an $O(N)$ algorithm solve the 2-sum problem?
Note that we can lookup a value in a Python set in constant time.
def twoSum(data):
count = 0
nums = set()
for num in data:
if (num * -1) in nums:
count += 1
…
- 99