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 6, 2026 23:27olliecrowolliecrowScore: 16,506Success
Source Code

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

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Apr 6, 2026 23:2716,48330,826,96314,505,00002,461,696
2Apr 6, 2026 23:2716,50629,927,31114,525,00002,473,984
3Apr 6, 2026 23:2716,53527,670,30714,551,00002,469,888