AtCoderSee all their emailsAtCoder Regular Contest++ 221 Announcement
A real announcement email from AtCoder. Captured May 30, 2026.
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About this email
Captured Announcement
An announcement email for an upcoming AtCoder programming contest, providing details on time, duration, and difficulty range.
The email is a plain-text notification with no branding, images, or layout structure. It lists contest details in a simple bulleted format followed by unsubscribe instructions.
Original email and brand assets belong to their respective owners. Design notes describe the creative, not campaign results.