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 07:12Josu San MartinJosu San MartinScore: 5,139Success
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 07:145,02912,028,8604,426,00002,113,536
2Jun 23, 2026 07:145,12311,900,7484,509,00002,113,536
3Jun 23, 2026 07:145,13511,913,4164,519,00002,113,536
4Jun 23, 2026 07:145,13611,964,9374,520,00002,113,536
5Jun 23, 2026 07:145,13912,310,2584,523,00002,113,536
6Jun 23, 2026 07:145,14612,001,8684,529,00002,113,536
7Jun 23, 2026 07:145,16412,270,8474,545,00002,113,536
8Jun 23, 2026 07:145,17912,399,2284,558,00002,113,536
9Jun 23, 2026 07:145,40412,612,5654,756,00002,113,536