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 listMar 2, 2026 16:56NoSIMD_C#NoSIMD_C#Score: 476,682Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Mar 2, 2026 16:56476,243443,172,229417,094,0002,000,0002,351,104
2Mar 2, 2026 16:56476,682447,657,338418,479,0001,001,0002,367,488
3Mar 2, 2026 16:56478,269447,723,231418,878,0001,999,0002,449,408