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 21, 2026 13:08Johan SannemoJohan SannemoScore: 10,347Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jan 21, 2026 13:0810,33432,543,1656,063,0003,031,0002,498,560
2Jan 21, 2026 13:0810,34728,751,8897,082,0002,023,0002,482,176
3Jan 21, 2026 13:0810,35125,663,8917,085,0002,024,0002,281,472