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 19, 2026 18:44Dominique GarmierDominique GarmierScore: 13,861Success
Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Mar 19, 2026 18:4313,79528,211,79211,129,0001,011,0002,375,680
2Mar 19, 2026 18:4313,80332,924,60411,135,0001,012,0002,301,952
3Mar 19, 2026 18:4413,82528,783,09610,139,0002,027,0002,383,872
4Mar 19, 2026 18:4313,83629,199,26911,162,0001,014,0002,379,776
5Mar 19, 2026 18:4313,85131,039,02611,174,0001,015,0002,379,776
6Mar 19, 2026 18:4313,85629,387,28911,177,0001,016,0002,375,680
7Mar 19, 2026 18:4313,86128,365,28710,165,0002,033,0002,379,776
8Mar 19, 2026 18:4413,86132,157,14010,165,0002,033,0002,310,144
9Mar 19, 2026 18:4313,87227,998,69310,173,0002,034,0002,301,952
10Mar 19, 2026 18:4313,89827,963,75710,192,0002,038,0002,310,144
11Mar 19, 2026 18:4413,90340,639,08710,196,0002,039,0002,301,952
12Mar 19, 2026 18:4313,91339,354,55511,223,0001,020,0002,310,144