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 02:40Victor MerckléVictor MerckléScore: 4,125Success
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 02:433,95911,350,1413,484,00002,117,632stderr
2Jul 6, 2026 02:433,99211,317,0963,513,00002,117,632stderr
3Jul 6, 2026 02:434,11011,402,0013,617,00002,117,632stderr
4Jul 6, 2026 02:434,11011,645,5533,617,00002,117,632stderr
5Jul 6, 2026 02:434,12511,433,6843,630,00002,117,632stderr
6Jul 6, 2026 02:434,12511,396,6313,630,00002,117,632stderr
7Jul 6, 2026 02:434,16211,473,8673,663,00002,117,632stderr
8Jul 6, 2026 02:434,18011,845,2633,679,00002,117,632stderr
9Jul 6, 2026 02:434,19211,429,7933,689,00002,117,632stderr