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 03:31vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:02M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:0209,230,7731,191,00002,113,536expected "6442459076 ", got " "
2May 17, 2026 07:0209,208,1421,197,00002,113,536expected "6442459076 ", got " "
3May 17, 2026 07:0208,491,0811,199,00002,113,536expected "6442459076 ", got " "
4Feb 6, 2026 03:313,47219,793,1971,018,0002,037,0002,535,424
5Feb 6, 2026 03:313,47418,107,4311,019,0002,038,0002,535,424
6Feb 6, 2026 03:313,48120,957,0751,021,0002,042,0002,498,560