Hello CodeForces Community!

I am glad to share that HackerRank's World Codesprint 7 is scheduled on 24-September-2016 at 16:00 UTC. Contest duration is 48 hours.

The contest is sponsored by Cardlytics, Ready-talk, Indeed Prime, NCR, Coursera and Sonoma. Contest site will be continually updated to reflect upcoming sponsors.

The problems were prepared by zemen, malcolm, muratt, svanidz1, forthright48, nabila_ahmed and Shafaet. Thanks to wanbo, danilka.pro, ikbal, allllekssssa and niyaznigmatul for testing/pre-solving the problems.

The contest will be rated. If two person gets same score, the person who reached the score first will be ranked higher.

Happy coding!

Update: The contest has ended, the editorials are available now. We will announce the winners and update the ratings soon! Meanwhile, let's discuss about the problems.