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 19:43Johan SannemoJohan SannemoScore: 89,741Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jan 19, 2026 19:4389,656105,204,71576,900,0001,997,0002,273,280
2Jan 19, 2026 19:4389,741106,929,41776,973,0001,999,0002,269,184
3Jan 19, 2026 19:4389,813101,017,00878,035,0001,000,0002,265,088