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 6, 2026 04:02vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:00M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:0008,445,8421,200,00002,117,632expected "6442459076 ", got " "stderr
2May 17, 2026 07:0008,972,9031,208,00002,117,632expected "6442459076 ", got " "stderr
3May 17, 2026 07:0009,208,2331,210,00002,117,632expected "6442459076 ", got " "stderr
4Feb 6, 2026 04:023,46524,006,9191,016,0002,033,0002,535,424
5Feb 6, 2026 04:023,47018,446,0481,018,0002,036,0002,498,560
6Feb 6, 2026 04:023,55719,139,5841,043,0002,087,0002,277,376