A bit hot April LunchTime 2015

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There is something about the academic year that brings gamut of mixed emotions in the students. While euphoria of exam end elates the fun of summer vacations, the realization of end of yet another year filled with fun and mischievousness with your pals adds a tad wretchedness to the atmosphere. And there are those summer project works that although always gets procrastinated to the last days of the vacations, but never fully gone from the summer plans. All that makes up for a rather packed summer, so it actually becomes rather tough to squeeze in another activity. But not if you are a programming fanatic. Programmers always manage to add an enticing programming contest into their planners, no matter how packed it is. We know that, because you all joined us for our April LunchTime 2015. And we are sure you would have enjoyed it too. So, let’s see how the 3 hours of April LunchTime went.

The dose of excitement for April LunchTime came from the problem set of Sergey Kulik, who also contributed their Russian translations. The Mandarin versions, as always came from Minako Kojima. And although the contest saw its first submission inside the five minutes, the problems made the participants fight hard for their ACs all through the contest. And our tester Karan Aggarwal had ensured that they did. However, the participants found some solace in TICKETS5, which saw the maximum submissions for the contest right from the beginning. As a matter of fact, it was the first problem solved by most of you.

And after “Tickets” the submissions started flowing towards House Cleaning, however, the flow was a tad slow. And the first one to crack it was anta0, followed by yutaka1999. The story remained the same for Euler Totient Function Extended and Palindromeness with submissions coming in but not at the same pace. Even the result codes for the submissions started varying, while it was AC for most in the beginning, we started seeing more of TLEs, WAs and many others. It resulted in lots of tumbling and toppling in the rank tables with name of schools and students changing in the list. And to tell you who stood where when the contest ended, let us take you to our rank tables.

We start with the rest of the world top ten:

  • yutaka1999 of Kaisei Junior High School and Senior High School, Japan
  • victorwonder of Wenzhou Middle School
  • alexvaleanu of Tudor Vianu National High School of Computer Science
  • fleimgruber of Höhere technische Bundeslehranstalt Leonding
  • wyfcyx of High School attached to Jilin university
  • contesant of Samanyolu High School
  • kmcode of Omori 7th Junior High School
  • gskhirtladze of Information Technology Center Mziuri
  • allanur_tkm of Bashkent Turkmen-Turkish High School
  • nugusha of Information Technology Center Mziuri

Now, the Indian top 10:

  • meteora of Chashak Gurukul (Homeschooling)
  • rajat1603 of Delhi Public School, Dwarka
  • animesh_f of La Martiniere for Boys, Calcutta
  • sampritipanda of Sai International School
  • sumitzster of La Martiniere for Boys, Calcutta
  • shubhangsati of Dwarka International School, Dwarka
  • xrisk of Delhi Public School, Ruby Park
  • jsamarth of The Shri Ram School Aravali, Gurgaon
  • mbrc of South Point High School
  • sandy999 of Chettinad Vidyashram

Congratulations to all the winners and to all the participants. Now, let’s give you the final numbers for the contest:

  • Total Users who made a submission: 936
  • Total Submissions: 4292
  • Number of distinct users with correct submissions: 801
  • Total users from India: 824
  • Total users not from India: 112

Every LunchTime we are seeing some new names coming up and making their mark on the big stage. And it gives us immense pleasure. We want more of you young programmers in schools to come up and take part in our monthly contests. So, if you know someone who you think should join CodeChef, do bring them here.

Now, for all you who participated in the contest, but had a tough time cracking the problems, let us give you the mouth watering editorials from Sourabh Hota. Go and enjoy them here. The smooth proceedings of the contest were overlooked by our contest admin Praveen Dhinwa, who makes sure that all your queries and doubts are cleared during the contest. We thank our entire problem setting panel and to you all for such a wonderful contest.

If you have any queries or quarrels regarding the April LunchTime 2015, kindly do send them our way at: feedback@codechef.com. We love hearing from you guys.

With that, we will now put pen down on this blog post and move towards the May contests and will put them all quickly.

For now, TA-TA

Team CodeChef

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