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 00:23Josu San MartinJosu San MartinScore: 5,275Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jun 23, 2026 00:265,18712,155,2034,565,00002,113,536
2Jun 23, 2026 00:265,25612,084,8484,626,00002,113,536
3Jun 23, 2026 00:265,26111,928,8304,630,00002,113,536
4Jun 23, 2026 00:265,26712,432,6954,635,00002,113,536
5Jun 23, 2026 00:265,27511,936,5084,642,00002,113,536
6Jun 23, 2026 00:265,27612,257,4424,643,00002,113,536
7Jun 23, 2026 00:265,27712,073,4424,644,00002,113,536
8Jun 23, 2026 00:265,29612,141,0404,661,00002,113,536
9Jun 23, 2026 00:265,31812,320,7354,680,00002,113,536