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 16:35Josu San MartinJosu San MartinScore: 6,488Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jun 22, 2026 16:386,40713,021,2055,639,00002,113,536
2Jun 22, 2026 16:386,46712,916,2665,691,00002,113,536
3Jun 22, 2026 16:386,47713,464,8165,700,00002,113,536
4Jun 22, 2026 16:386,47812,931,4725,701,00002,113,536
5Jun 22, 2026 16:386,48813,048,9955,710,00002,113,536
6Jun 22, 2026 16:386,48913,455,2555,711,00002,113,536
7Jun 22, 2026 16:386,49713,364,1875,718,00002,113,536
8Jun 22, 2026 16:386,51013,154,2225,729,00002,113,536
9Jun 22, 2026 16:386,52112,962,1405,739,00002,113,536