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heyjamesknight
on Aug 11, 2022
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The World Excel Championship is being broadcast on...
Sum the input list, sum the list of [1...n], subtract and voila!
robbie-c
on Aug 11, 2022
[–]
Yeah, sadly you're not guaranteed some of the things that are needed for this to work. I defo believe the story that it took Knuth a day to figure this out, although when you see the answer it's pretty easy to understand.
heyjamesknight
on Aug 11, 2022
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What things? I submitted it as an answer on Leetcode and it was accepted.
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