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 16:17vahookvahookError
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 07:0908,466,2701,193,00002,117,632expected "6442459076 ", got " "stderr
2May 17, 2026 07:09011,538,72801,391,0002,117,632expected "6442459076 ", got " "stderr
3May 17, 2026 07:0908,611,7161,211,00002,117,632expected "6442459076 ", got " "stderr
4Feb 5, 2026 16:173,47216,800,1451,018,0002,037,0002,490,368
5Feb 5, 2026 16:173,48820,145,6801,023,0002,046,0002,498,560
6Feb 5, 2026 16:173,52821,909,5741,035,0002,070,0002,502,656