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 6, 2026 04:54vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 05:28M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 05:2909,370,5511,197,00002,117,632expected "6442459076 ", got "8136 "stderr
2May 17, 2026 05:2908,739,2261,269,00002,117,632expected "6442459076 ", got "8136 "stderr
3May 17, 2026 05:29011,239,43901,269,0002,117,632expected "6442459076 ", got "8136 "stderr
4Feb 6, 2026 04:543,44820,005,0471,011,0002,023,0002,494,464
5Feb 6, 2026 04:543,45515,032,0261,013,0002,027,0002,494,464
6Feb 6, 2026 04:543,51319,736,3761,030,0002,061,0002,277,376