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 listJun 23, 2026 11:20Victor MerckléVictor MerckléScore: 5,493Success
Source Code

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

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jun 23, 2026 11:235,35612,215,5614,714,00002,113,536
2Jun 23, 2026 11:235,37012,244,2444,726,00002,113,536
3Jun 23, 2026 11:235,48612,257,2694,828,00002,113,536
4Jun 23, 2026 11:235,49212,300,1044,833,00002,113,536
5Jun 23, 2026 11:235,49312,625,6244,834,00002,113,536
6Jun 23, 2026 11:235,50512,605,9604,845,00002,113,536
7Jun 23, 2026 11:235,53712,388,7814,873,00002,113,536
8Jun 23, 2026 11:235,62612,396,2804,951,00002,113,536
9Jun 23, 2026 11:235,65312,425,2234,975,00002,113,536