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 01:04vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:09M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:09010,556,4181,206,00002,117,632expected "6442459076 ", got "8136 "stderr
2May 17, 2026 07:09010,719,1471,173,00002,117,632expected "6442459076 ", got "8136 "stderr
3May 17, 2026 07:09010,755,7591,218,00002,117,632expected "6442459076 ", got "8136 "stderr
4Feb 5, 2026 01:043,45319,427,1071,013,0002,026,0002,490,368
5Feb 5, 2026 01:043,48819,391,1701,023,0002,046,0002,494,464
6Feb 5, 2026 01:043,52818,277,7531,035,0002,070,0002,502,656