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 22, 2026 20:13Dominique GarmierDominique GarmierScore: 119,183Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Mar 22, 2026 19:31118,748129,048,099104,498,00002,334,720
2Mar 22, 2026 15:34118,763131,172,947102,521,0001,990,0002,535,424
3Mar 22, 2026 19:59118,874129,687,657103,604,0001,005,0002,334,720
4Mar 22, 2026 20:13118,986131,088,595103,702,0001,006,0002,334,720
5Mar 22, 2026 15:34118,995133,358,532104,716,00002,334,720
6Mar 22, 2026 15:34119,158128,235,482103,861,000998,0002,285,568
7Mar 22, 2026 19:31119,183134,189,955103,883,000998,0002,289,664
8Mar 22, 2026 19:59119,258129,627,855103,948,000999,0002,334,720
9Mar 22, 2026 20:13119,593125,934,087102,236,0003,006,0002,412,544
10Mar 22, 2026 20:13119,635135,078,931105,279,00002,334,720
11Mar 22, 2026 19:59119,677134,221,476103,310,0002,006,0002,535,424
12Mar 22, 2026 19:31119,756126,510,020105,385,00002,351,104