DOJ Beginner Contest 9

Ended

Problem orderDifficulty orderRatingRated · 0~2200AccessPublicTime limit1h 40m

Lead managers: woohyunjng
Authors: coxld dyppp loop0919 pk661 woohyunjng
Testers: AdTerram

Starts: Sep 20, 2026, 10:00 AM
Ends: Sep 27, 2026, 10:00 AM

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This participation will not affect ratings. Reason: Rated participation is limited to rating 0~2200. Current rating: unknown

Rules

You may choose any time during the contest period to begin and participate for 100 minutes. The DOJ rating range eligible for rated participation is 0 ~ 2200.

There are 9 problems in total, worth 900 points. Each problem is worth 100 points, and every problem has subtasks.

The problems are ordered by difficulty as judged by the organizers. The overall difficulty is similar to that of DOJ Beginner Contest 7.

※ Important Notice The scoreboard will not be available during the contest. The use of AI is prohibited under any circumstances.

We hope many of you will participate.

Problems

#	Title
A	AI slop
B	Rating Updates
C	Yet Another Permutation Problem 2
D	Harvesting the Farm
E	67
F	All Falls Down
G	Pi Problem
H	Ladders and Queries
I	Deletion 2

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