I've been a professional C, Perl, PHP and Python developer.
I'm an ex-sysadmin from the late 20th century.
These days I do more Javascript and CSS and whatnot, and promote UX and accessibility.
I've been a professional C, Perl, PHP and Python developer.
I'm an ex-sysadmin from the late 20th century.
These days I do more Javascript and CSS and whatnot, and promote UX and accessibility.
Oh, I totally misread your code. I think when I read you were using new Set() you were calling new Set(nums) to reduce the length of the list you had to process. My bad.
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Reducing this to a list of unique numbers would fail on ([1,2,2,5], 4) because though 2 + 2 == 4, it'd never get checked.
I think I'd do this by something like:
Could also hack out things like, if the total is positive, don't check two negatives.
Hmm, I’m not quite following. When is this reduced to a list of unique numbers?
Oh, I totally misread your code. I think when I read you were using
new Set()you were callingnew Set(nums)to reduce the length of the list you had to process. My bad.