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Overview

Tenka1 Programmer Contest is a serious competition of competitive programming. The contest is held in full cooperation with AtCoder Inc. on the judge system and preparation of the problems.

Who is the fastest, strongest coder!?

Contest

Held online at AtCoder.

Date
Saturday, September 30, 9:00 pm - 10:40 pm (JST / UTC+9)
Tenka1 Programmer Contest
Held in the same format as AtCoder Regular Contest.
URL: https://tenka1-2017.contest.atcoder.jp/
Tenka1 Programmer Beginner Contest
Held in the same format as AtCoder Beginner Contest.
URL: https://tenka1-2017-beginner.contest.atcoder.jp/

Eligibility

Any person with an AtCoder account can participate.

Prizes (Gift Cards)

In Tenka1 Programmer Contest (not in Tenka1 Programmer Beginner Contest), the top ranked contestants will be awarded gift cards with the following values (for use in Japan only; also see notes below).

RankPrize (gift card)
1st Place100,000 JPY
2nd Place50,000 JPY
3rd Place30,000 JPY
4th Place20,000 JPY
5th Place10,000 JPY
6-10th Place5,000 JPY
11-20th Place3,000 JPY
The result is as follows.
RankAtCoder IDPrize (gift card)
1st Placeyutaka1999100,000 JPY
2nd Placeyosupo50,000 JPY
3rd Placeainta30,000 JPY
4th Placeftiasch(decline)
5th Placesemiexp20,000 JPY
6th PlaceArterm10,000 JPY
7th Placetourist5,000 JPY
8th PlaceUm_nik(decline)
9th Placezigui5,000 JPY
10th Placelatte01195,000 JPY
11th Placesugim485,000 JPY
12th Placemaryanna2016(decline)
13th Placezscoder5,000 JPY
14th Placeivan100sic3,000 JPY
15th Placepwypeanut3,000 JPY
16th Placejaplj3,000 JPY
17th Placelogicmachine3,000 JPY
18th Placelinkct3,000 JPY
19th PlaceLHiC3,000 JPY
20th Placecatupper3,000 JPY
21st Placeyfzcsc3,000 JPY
22nd Placekscnul(decline)
23rd Placepwild(decline)
24th Placemath3,000 JPY
25th PlaceTangentDay3,000 JPY

First AC Award

For each of the following problems in Tenka1 Programmer Contest or Tenka1 Programmer Beginner Contest, the first contestant to submit source code that passes all of the test cases will be awarded a gift card worth 3,000 JPY. The result is as follows.
Problem Cjaplj
Problem Dtourist
Problem Etourist
Problem FArterm

Lottery

A gift card worth 3,000 JPY will be sent to 20 randomly selected contestants who got a positive score in Tenka1 Programmer Contest or Tenka1 Programmer Beginner Contest.
We will run lottery.py in Python 3.6.2 to decide winners. users.txt contains the AtCoder IDs of candidates. key.txt will be published after the winners are decided (Oct 03, 2017: It has been published).

The result is as follows.
ikegori08
FVRChan
ikd
MiracleEEEE
maesora
yaketake08
syou4
nike247
Ksaw
jtang
kenenalmat
nable
ukohank517
satos
acdart
h_noson
aloo123
tkyobc
takeo1116
teamctw

Notes on Prizes (Gift Cards)

Other Prizes

An Original T-shirt and (within Japan only) KLab Original Energy Drink will be given to the top 20 contestants in Tenka1 Programmer Contest (not in Tenka1 Programmer Beginner Contest).

Notes on Other Prizes

Other Information

Official Twitter Account (Japanese)

Tweets on Tenka1 Programmer Contest.

Account
@klab_tenka1
Hashtag
#klabtenka1

Past Contests

Tenka1 Programmer Contest 2016 Qual-A Qual-B Final

Tenka1 Programmer Contest 2015 Qual-A Qual-B Final

Tenka1 Programmer Contest 2014 Qual-A Qual-B Final

Tenka1 Programmer Contest 2013 Qual-A Qual-B Final

Tenka1 Programmer Contest 2012 Qual-A Qual-B Qual-C Final