Niobium 2019 challenge - Codility

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A matrix of binary values is given. We can flip the values in selected columns. What is the maximum number of rows that we can obtain that contain all the same values?

Kicking off May is The Niobium Challenge, hosted by Codility.

Here at Codility, we help companies grow their dev teams by assessing their candidates’ technical skills online. We’re growing our team too - so if you’re interested in helping us refactor tech recruiting, check out our open positions.

Good luck solving this Challenge!

Check our opening

Stats:

5324 started 577 silver awards 355 golden awards

Hall of fame:

1

Vikram Panwar

Time: 9 minutes

2

Tadeusz Sznuk

Time: 13 minutes

3

Alex Rhatushnyak

Time: 22 minutes