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 17:47vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 12:52M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 12:56011,424,2461,161,00002,117,632expected "6442459076 ", got " "stderr
2May 17, 2026 12:5609,471,3391,272,00002,117,632expected "6442459076 ", got " "stderr
3May 17, 2026 12:56010,178,1841,285,00002,117,632expected "6442459076 ", got " "stderr
4Feb 5, 2026 17:473,47724,379,2311,020,0002,040,0002,498,560
5Feb 5, 2026 17:473,48115,918,3621,021,0002,042,0002,277,376
6Feb 5, 2026 17:473,48222,489,9861,021,0002,043,0002,494,464
7Feb 5, 2026 17:473,50623,813,2021,028,0002,057,0002,494,464
8Feb 5, 2026 17:473,51816,718,6011,032,0002,064,0002,494,464
9Feb 5, 2026 17:473,51819,710,6721,032,0002,064,0002,494,464