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 5, 2026 15:13Victor MerckléVictor MerckléScore: 4,506Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jul 5, 2026 15:164,40613,047,4123,878,00002,117,632stderr
2Jul 5, 2026 15:164,42811,717,2133,897,00002,117,632stderr
3Jul 5, 2026 15:164,43011,723,5203,899,00002,117,632stderr
4Jul 5, 2026 15:164,43611,710,9873,904,00002,117,632stderr
5Jul 5, 2026 15:164,50611,791,1833,966,00002,117,632stderr
6Jul 5, 2026 15:164,53211,742,6393,989,00002,117,632stderr
7Jul 5, 2026 15:164,54611,780,2374,001,00002,117,632stderr
8Jul 5, 2026 15:164,56711,773,6144,019,00002,125,824stderr
9Jul 5, 2026 15:164,71411,907,3584,149,00002,117,632stderr