Sum of prime numbers Andrey Tsvetkov

Compute the sum of all prime numbers in a stream of binary integers as fast as possible.

Input: 1 000 000 uint32 values in little-endian binary on STDIN (4 bytes each).

Output: The uint64 sum of all values that are prime, printed as a decimal string.

Back to listFeb 5, 2026 16:37vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 12:50M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 12:51010,874,1231,190,00002,117,632expected "6442459076 ", got " "stderr
2May 17, 2026 12:51011,339,6001,211,00002,117,632expected "6442459076 ", got " "stderr
3May 17, 2026 12:51010,326,8531,292,00002,117,632expected "6442459076 ", got " "stderr
4Feb 5, 2026 16:363,48419,951,6931,022,0002,044,0002,535,424
5Feb 5, 2026 16:363,48920,239,5581,023,0002,047,0002,281,472
6Feb 5, 2026 16:373,50116,164,8711,027,0002,054,0002,494,464
7Feb 5, 2026 16:373,50619,491,8541,028,0002,057,0002,502,656
8Feb 5, 2026 16:373,51322,675,1091,030,0002,061,0002,498,560
9Feb 5, 2026 16:363,54919,749,8961,041,0002,082,0002,494,464