Count uint8 Sergey Svistunov

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Back to listSep 14, 2026 16:23Victor MerckléVictor MerckléError
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Sep 14, 2026 16:23021,577,00212,867,000024,576expected "976908 ", got "976907 "stderr
2Sep 14, 2026 16:234,12921,841,89913,215,000024,576stderr
3Sep 14, 2026 16:234,15021,997,63613,282,000024,576stderr