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 listJun 23, 2026 09:32Victor MerckléVictor MerckléScore: 5,518Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jun 23, 2026 09:345,38412,247,4984,738,00002,113,536
2Jun 23, 2026 09:345,40212,277,6144,754,00002,113,536
3Jun 23, 2026 09:345,43012,305,3974,779,00002,113,536
4Jun 23, 2026 09:345,50212,650,2984,842,00002,113,536
5Jun 23, 2026 09:345,51812,340,0204,856,00002,113,536
6Jun 23, 2026 09:345,52912,764,8744,866,00002,113,536
7Jun 23, 2026 09:345,53812,687,4314,874,00002,113,536
8Jun 23, 2026 09:345,54012,326,7094,876,00002,113,536
9Jun 23, 2026 09:345,56112,384,5794,894,00002,113,536