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 listJan 20, 2026 22:44Josu San MartinJosu San MartinScore: 16,244Success
Source Code

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

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jan 20, 2026 22:4416,08628,382,55112,134,0002,022,0002,523,136
2Jan 20, 2026 22:4416,24428,670,32813,274,0001,021,0002,465,792
3Jan 20, 2026 22:4416,32837,259,78713,343,0001,026,0002,506,752