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 4, 2026 22:54vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:16M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:1608,580,7691,194,00002,113,536expected "6442459076 ", got "8136 "
2May 17, 2026 07:16010,030,9401,244,00002,113,536expected "6442459076 ", got "8136 "
3May 17, 2026 07:1609,068,2851,246,00002,113,536expected "6442459076 ", got "8136 "
4Feb 4, 2026 22:543,49218,416,0761,024,0002,049,0002,494,464
5Feb 4, 2026 22:543,49424,032,9961,025,0002,050,0002,502,656
6Feb 4, 2026 22:543,51920,057,5381,032,0002,065,0002,490,368