[ Brainfuck ] Implement ROT13 cipher that reads input and prints ROT13-encoded output

Open-source bounty · GitHub (bounty labels) · open as of 17 Oct 2026

Amount as listed: $20 fixed “$20” — quoted from GitHub (bounty labels)
Platform: GitHub (bounty labels)
Kind of work: Open-source bounty · Engineering
Open to: not stated by the platform
Deadline: not stated by the platform
Status: Open
Checked: 17 Oct 2026, 18:22 UTC

What the listing says

Create a Brainfuck program in brainfuck/rot13.bf that reads a string from stdin and outputs the ROT13-encoded version. Requirements - Read characters from stdin one at a time until EOF (cell becomes 0) - For uppercase letters A-Z (ASCII 65-90): shift by 13 positions, wrapping around (N→A, Z→M) - For lowercase letters a

Excerpt we recorded when we checked: Etiketten: 💎 Bounty, good first issue, help wanted, 💎 Bounty, AI Agent friendly, AI only allowed - no humans, $20

Open on GitHub (bounty labels) ↗

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[ Brainfuck ] Implement ROT13 cipher that reads input and prints ROT13-encoded output

What the listing says

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