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 listJul 4, 2026 09:52Victor MerckléVictor MerckléScore: 4,585Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jul 4, 2026 09:554,47311,765,1253,937,00002,117,632stderr
2Jul 4, 2026 09:554,47811,775,1113,941,00002,117,632stderr
3Jul 4, 2026 09:554,48111,809,0003,944,00002,117,632stderr
4Jul 4, 2026 09:554,48411,594,5893,946,00002,117,632stderr
5Jul 4, 2026 09:554,58511,789,8404,035,00002,117,632stderr
6Jul 4, 2026 09:554,60611,934,4344,054,00002,117,632stderr
7Jul 4, 2026 09:554,67911,887,5064,118,00002,117,632stderr
8Jul 4, 2026 09:554,83811,978,5344,258,00002,117,632stderr
9Jul 4, 2026 09:555,72512,831,6965,038,00002,117,632stderr