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 6, 2026 23:09Victor MerckléVictor MerckléScore: 3,729Success
Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jul 6, 2026 23:123,72011,203,4753,274,00002,117,632stderr
2Jul 6, 2026 23:123,72211,237,5773,276,00002,117,632stderr
3Jul 6, 2026 23:123,72711,233,1613,280,00002,117,632stderr
4Jul 6, 2026 23:123,72811,242,6453,281,00002,117,632stderr
5Jul 6, 2026 23:123,72911,231,4903,282,00002,117,632stderr
6Jul 6, 2026 23:123,74711,180,8713,298,00002,117,632stderr
7Jul 6, 2026 23:123,81511,210,5653,358,00002,117,632stderr
8Jul 6, 2026 23:123,83711,639,2263,377,00002,117,632stderr
9Jul 6, 2026 23:123,84311,692,2673,382,00002,117,632stderr