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 17, 2026 16:37Josu San MartinJosu San MartinScore: 20,406Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jan 17, 2026 16:3720,34541,448,55315,915,0001,989,0002,523,136
2Jan 17, 2026 16:3720,40646,486,19315,962,0001,995,0002,514,944
3Jan 17, 2026 16:3720,41143,133,43715,967,0001,995,0002,363,392