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 00:40vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:00M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:0009,985,2561,197,00002,113,536expected "6442459076 ", got "8136 "
2May 17, 2026 07:00010,130,2681,191,00002,113,536expected "6442459076 ", got "8136 "
3May 17, 2026 07:0008,516,8051,192,00002,113,536expected "6442459076 ", got "8136 "
4Feb 5, 2026 00:403,45822,862,6041,014,0002,029,0002,498,560
5Feb 5, 2026 00:403,47217,708,9861,018,0002,037,0002,277,376
6Feb 5, 2026 00:403,48820,226,2721,023,0002,046,0002,502,656