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 22, 2026 19:31Josu San MartinJosu San MartinScore: 5,530Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jun 22, 2026 19:345,40112,279,0454,753,00002,113,536
2Jun 22, 2026 19:345,49012,318,3244,832,00002,113,536
3Jun 22, 2026 19:345,51412,381,8144,853,00002,113,536
4Jun 22, 2026 19:345,52312,330,5694,861,00002,113,536
5Jun 22, 2026 19:345,53012,652,2804,867,00002,113,536
6Jun 22, 2026 19:345,54412,402,0884,879,00002,113,536
7Jun 22, 2026 19:345,55012,709,1234,884,00002,113,536
8Jun 22, 2026 19:345,57612,423,7374,907,00002,113,536
9Jun 22, 2026 19:345,82212,591,5475,124,00002,113,536