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 08:40Victor MerckléVictor MerckléScore: 4,534Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jul 5, 2026 08:434,42011,675,6373,890,00002,117,632stderr
2Jul 5, 2026 08:434,42911,710,0673,898,00002,117,632stderr
3Jul 5, 2026 08:434,43211,722,6213,901,00002,117,632stderr
4Jul 5, 2026 08:434,43711,730,0263,905,00002,117,632stderr
5Jul 5, 2026 08:434,53411,763,7983,990,00002,117,632stderr
6Jul 5, 2026 08:434,53611,967,8743,992,00002,117,632stderr
7Jul 5, 2026 08:434,53811,964,3873,994,00002,117,632stderr
8Jul 5, 2026 08:434,54011,814,0373,996,00002,117,632stderr
9Jul 5, 2026 08:434,63411,906,5204,078,00002,117,632stderr