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 15:30vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:18M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:1808,512,4421,140,00002,113,536expected "6442459076 ", got "8136 "
2May 17, 2026 07:1809,303,9511,283,00002,113,536expected "6442459076 ", got "8136 "
3May 17, 2026 07:1808,997,8081,284,00002,113,536expected "6442459076 ", got "8136 "
4Feb 5, 2026 15:303,45519,612,4901,013,0002,027,0002,535,424
5Feb 5, 2026 15:303,49913,064,9951,026,0002,053,0002,494,464
6Feb 5, 2026 15:303,54717,336,8801,040,0002,081,0002,535,424