User-81hpxSep 26, 2026

Two Sigma OA felt like deja vu, still got cut

Hack2hire Community · 2026-09-26T15:00:00.346Z

Two Sigma OA felt like deja vu, still got cut Finally sat for the Two Sigma OA I'd been dreading, both problems were the same IPO share allocation and drainage partition ones everyone talks about, so at least the prep paid off there. Phone screen a week later was an OOD hashtable question though, wasn't ready for that shift and fumbled the collision handling part pretty badly. Recruiter called two days after, said they're moving forward with other candidates. Kinda stings since the OA went so sm...

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Replies (5)

neha346Sep 26, 2026

the OOD hashtable one seems to come up a lot for phone screens, wish I'd known before mine

emily.wuSep 26, 2026

did they say which team it was for? seems to vary a lot

rohanverma0614Sep 26, 2026

two days is actually pretty fast for them from what I've heard

User-vohlkSep 26, 2026

at least the OA pool being known in advance means you can actually prep for it

jacobmillerSep 27, 2026

yeah honestly grateful for that part, wish the phone screen had a similar heads up

arjunpatelSep 27, 2026

collision handling trips up a lot of people on that one, I blanked on rehashing too

User-5i81vSep 27, 2026

yeah the follow up questions on that one go pretty deep

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