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 01:12vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:39M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:3909,013,3971,189,00002,113,536expected "6442459076 ", got "8136 "
2May 17, 2026 07:3908,513,5991,205,00002,113,536expected "6442459076 ", got "8136 "
3May 17, 2026 07:3908,476,8581,201,00002,113,536expected "6442459076 ", got "8136 "
4Feb 5, 2026 01:123,45717,270,9671,014,0002,028,0002,281,472
5Feb 5, 2026 01:123,50222,900,7941,027,0002,055,0002,494,464
6Feb 5, 2026 01:123,56317,964,1821,045,0002,090,0002,498,560