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 07:01Josu San MartinJosu San MartinScore: 37,623Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jan 17, 2026 07:0137,52358,799,86732,020,0001,000,0002,449,408
2Jan 17, 2026 07:0137,62352,599,87131,102,0002,006,0002,285,568
3Jan 17, 2026 07:0137,67258,902,54731,142,0002,009,0002,445,312