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 listApr 18, 2026 08:57olliecrowolliecrowScore: 13,818Success
Source Code

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

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Apr 18, 2026 08:5713,61032,880,0389,981,0001,996,0002,420,736
2Apr 18, 2026 08:5713,81826,891,03310,134,0002,026,0002,404,352
3Apr 18, 2026 08:5713,87328,110,04610,174,0002,034,0002,486,272