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 4, 2026 23:54Victor MerckléVictor MerckléScore: 4,596Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jul 4, 2026 23:574,35911,778,6443,836,00002,117,632stderr
2Jul 4, 2026 23:574,47111,764,3063,935,00002,117,632stderr
3Jul 4, 2026 23:574,48111,703,4143,944,00002,117,632stderr
4Jul 4, 2026 23:574,58511,787,9784,035,00002,117,632stderr
5Jul 4, 2026 23:574,59611,829,0444,045,00002,117,632stderr
6Jul 4, 2026 23:574,60911,824,7334,056,00002,117,632stderr
7Jul 4, 2026 23:574,61311,800,7094,060,00002,117,632stderr
8Jul 4, 2026 23:574,61312,143,8734,060,00002,117,632stderr
9Jul 4, 2026 23:574,61711,781,9304,063,00002,117,632stderr