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 listFeb 5, 2026 22:08vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 13:01M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 13:02011,911,5571,162,00002,113,536expected "6442459076 ", got " "
2May 17, 2026 13:02010,110,9641,254,00002,113,536expected "6442459076 ", got " "
3May 17, 2026 13:02011,057,8921,278,00002,113,536expected "6442459076 ", got " "
4Feb 5, 2026 22:083,45320,292,7481,013,0002,026,0002,502,656
5Feb 5, 2026 22:083,45519,328,0431,013,0002,027,0002,494,464
6Feb 5, 2026 22:083,47718,041,8751,020,0002,040,0002,502,656
7Feb 5, 2026 22:083,50819,957,9971,029,0002,058,0002,486,272
8Feb 5, 2026 22:083,52519,219,0791,034,0002,068,0002,490,368
9Feb 5, 2026 22:083,60720,572,9881,058,0002,116,0002,498,560