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 12:42Johan SannemoJohan SannemoScore: 12,384Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jan 20, 2026 12:4212,37227,918,3228,908,0001,979,0002,289,664
2Jan 20, 2026 12:4212,38427,820,92810,898,00002,285,568
3Jan 20, 2026 12:4212,45130,912,6828,965,0001,992,0002,478,080