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 04:20zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 06:58M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 06:59010,016,6751,023,00002,113,536expected "6442459076 ", got "2305422249 "
2May 17, 2026 06:5909,035,9471,243,00002,113,536expected "6442459076 ", got "2305422249 "
3May 17, 2026 06:5908,608,0311,107,00002,113,536expected "6442459076 ", got "2305422249 "
4Feb 6, 2026 04:203,42722,311,5392,011,0001,005,0002,330,624
5Feb 6, 2026 04:203,46423,629,1782,032,0001,016,0002,453,504
6Feb 6, 2026 04:203,50215,849,3282,055,0001,027,0002,326,528