That one concluding hour

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If it wasn’t for the final hour of the September Challenge 2013, the contest would have gone down in our history, without even creating a ripple in our memories. Just like all of you, we too were enjoying the final few hours of the contest, thanking our problem setters, Kaushik Iska, Roman Furko, Roman Rubanenko, Sergey Nagin, Surya Kiran, Tuan Anh, Vitaliy Herasymiv, and Vivek Hamirwasia, our testers Sergey Kulik and Mahbubul Hasan, and our editorialist Utkarsh Lath,  for yet another fulfilling contest. The contest was equally enjoyed by newcomers and seasoned campaigners, which is always a pleasing sight.

The September Challenge 2013 ran its course rather smoothly, with submissions flowing calmly on all the problems. The smooth course of contest was a tad harder for the users trying their hands on Two Roads, but still some of the many who tried, got AC. While Two Roads was proving a tough nut to crack, problems like Chef and Integers, made life a little easier for the participants. The participation  and the enthusiasm of the contest was smooth all through the contest duration, however, the final hour of the contest saw heaps of action.

Just like a pre-written script of an action movie, the final hour of the challenge brought the biggest fight. After the calm nine days, the race to the top among the big three got fierce and we started seeing frequent name change atop the rank tables in the final stages of the contest. After holding the top spot for, probably the longest time in the contest, kutengine, was replaced by the ever dominant ACRush. But, just when a lot of us had considered the fate of the contest sealed, the new rising star from North Korea, kgcstar came out of nowhere and swept the contest away. Before we could understand what had just happened, the ranking charts changed and changed for the last time in the  contest. The September Challenge 2013 was over and we had our winners. And now, let us introduce them to you.

Let us first put our hands together for the Global top ten:

And now, let’s give a big round of applause to our Indian geniuses.

After the big guns, it’s now time to acknowledge our little masterminds. So, give it up for the top five school students:

Let’s start with the geniuses overseas:

And, now our Indian kids;

Now, a special mention to the special achievers, who got highest scores for challenge problems except for out winners.

First, the top three global:

And now, the Indian top three:

The participation for this contest was a  tad on a lower side in comparison to the last contest, but still the numbers were satisfactory and we were pleased to have all of you. Now, let us present to you the stats for the contest.

  • Total Users: 3735
  • Total Submissions: 72667
  • Number of distinct users with correct submissions: 2774
  • Total users from India: 3022
  • Total users not from India: 713

All those numbers and names made the September Challenge a fun filled learning experience for everyone who participated in it. And we hope you have taken a lot of learning and fun out of the contest.

Now, as we move towards our September Cook-Off  2013, we would like you all to pull up your socks, as it is the first of the two ACM ICPC warm ups CodeChef will be hosting this year. Oh yes! the ACM ICPC India regionals is fast approaching and we want you all to be at the top of your game, to secure a slot for the world finals.

So, do not forget to mark your calendars for the first ACM ICPC warm up, the September Cook-off, taking place on 22nd September, 2013. Hope to see you all going all out in the contest.

If you have any doubts, queries, or suggestions, feel free to write them to us at

Till next time, goodbye everybody.

See you at the contests.

Team CodeChef

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