Blue color from RGB Sergey Svistunov

Extract the Blue channel from a stream of RGB pixels as fast as possible.

Input: 150 000 000 pixels in binary RGB format on STDIN (3 bytes per pixel: R, G, B).

Output: Write only the Blue byte of each pixel to STDOUT (150 000 000 bytes total).

Back to listMay 7, 2026 06:50Victor MerckléVictor MerckléError
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 7, 2026 06:50017,559,42302,304,0002,519,040pos 0: expected 181 got 48stderr
2May 7, 2026 06:50020,349,92802,350,0002,506,752pos 0: expected 229 got 48stderr
3May 7, 2026 06:50022,787,67002,228,0002,514,944pos 0: expected 206 got 48stderr