Contest Duration: 2026-07-07 09:00:00+0900 - 2026-07-08 19:00:00+0900 (local time) Back to Home

World Tour Finals 2026 Heuristic

Can Participate: All Rated Range: - Penalty: None

Sponsor

Contest Information

Writer: wata_admin
Unrated
About AtCoder World Tour Finals
In case the network becomes unstable when the contest begins, we have prepared an encrypted ZIP file here containing the problem statements and tools.

Human vs. AI Exhibition Match

An exhibition match, Human vs. AI, will be held as part of this contest, featuring an AI agent from OpenAI. In addition, a special prize, the Humanity Prevails Award, will be presented to the participant who defeats the AI and achieves first place.

Prizes

Rank	Prize
1st	1,000,000 JPY
2nd	300,000 JPY
3rd	100,000 JPY
Humanity Prevails Award	+600,000 JPY

Contest Rules

There is one problem. You can use any programming language available on AtCoder.
There is no penalty for resubmission, but you must wait at least 5 minutes between submissions.
No submissions will be accepted between 22:00 on Day 1 and 08:00 on Day 2.
This is an individual competition. It is prohibited to publish your solution before the end of the contest.
The ranking results displayed during the contest are provisional. After the contest is over, the system tests against more inputs will be run. The inputs used for provisional ranking will not be used for the system tests. The system test will be performed only for the last submission which received a result other than CE.
For other rules, see here.