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 19:41Victor MerckléVictor MerckléScore: 5,217Success
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 19:445,09512,024,6384,484,00002,113,536
2Jun 23, 2026 19:445,18912,275,7804,567,00002,113,536
3Jun 23, 2026 19:445,20212,016,2374,578,00002,113,536
4Jun 23, 2026 19:445,21712,430,7874,591,00002,113,536
5Jun 23, 2026 19:445,21712,093,3784,591,00002,113,536
6Jun 23, 2026 19:445,21812,413,9484,592,00002,113,536
7Jun 23, 2026 19:445,23012,375,7434,603,00002,113,536
8Jun 23, 2026 19:445,24812,038,1934,619,00002,113,536
9Jun 23, 2026 19:445,46212,593,1364,807,00002,113,536