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Cuprum 2018

Start date: May 19, 2018, 5 p.m. UTC
Given a string, find the length of the longest substring in which every character appears an even number of times.

This challenge has been sponsored by the development team at Circles.Life.

Circles.Life is the World’s first and most successful digital telco. We have a mission: to r e-imagine the mobile experience for the digital consumer through our customer centric mobile plat form and disrupt the multi-trillion dollar global telco industry.

"The telecommunications industry is huge, with a worldwide market size north of $6.5 Trillio n... yet there are not many startups in this area. At Circles we are disrupting this industry by taking advantage of modern tech." - Harsh Mitt al, Head of Engineering

We launched our services in Singapore in 2016 and have since gained market share quickly whi le delivering best-in-class customer experience. Currently Circles beats all other telcos on metr ics like NPS, subscriber growth, average data used per subscriber and overall customer satisfacti on.

We have openings for software engineers who wants to gain valuable experience and exposure a t a rapidly scaling telco startup in Singapore. Check out our job openings, we'd love to hear fro m you!

CHECK OUT OUR JOB OPENINGS

Stats:

1458 started 259 silver awards 69 golden awards

Hall of fame:

1
Ankit Goel
Time: 5 minutes
2
Ian O'Donnell
Time: 28 minutes
3
Grzegorz Owsiany
Time: 35 minutes