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 19, 2026 22:16Johan SannemoJohan SannemoScore: 31,693Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jan 19, 2026 22:1631,68155,224,86425,888,0001,991,0002,277,376
2Jan 19, 2026 22:1631,69353,449,69425,898,0001,992,0002,277,376
3Jan 19, 2026 22:1631,81856,906,73026,000,0002,000,0002,277,376