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 04:56vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 06:59M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 06:59010,225,4231,170,00002,117,632expected "6442459076 ", got "8136 "stderr
2May 17, 2026 06:5908,490,0571,167,00002,117,632expected "6442459076 ", got "8136 "stderr
3May 17, 2026 06:59011,413,3071,181,00002,117,632expected "6442459076 ", got "8136 "stderr
4Feb 6, 2026 04:563,46717,641,9201,017,0002,034,0002,494,464
5Feb 6, 2026 04:563,46817,167,3841,017,0002,035,0002,535,424
6Feb 6, 2026 04:563,47719,622,5251,020,0002,040,0002,498,560