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 20:22vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:40M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:4109,239,6111,194,00002,117,632expected "6442459076 ", got " "stderr
2May 17, 2026 07:4109,019,7711,198,00002,117,632expected "6442459076 ", got " "stderr
3May 17, 2026 07:4109,992,46801,455,0002,117,632expected "6442459076 ", got " "stderr
4Feb 5, 2026 20:223,47220,575,5292,037,0001,018,0002,277,376
5Feb 5, 2026 20:223,50520,487,3401,028,0002,056,0002,486,272
6Feb 5, 2026 20:223,50619,071,3081,028,0002,057,0002,502,656