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 4, 2026 22:53vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:13M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:13010,693,4241,214,00002,113,536expected "6442459076 ", got "8136 "
2May 17, 2026 07:13010,242,3761,242,00002,113,536expected "6442459076 ", got "8136 "
3May 17, 2026 07:13011,438,7271,235,00002,113,536expected "6442459076 ", got "8136 "
4Feb 4, 2026 22:533,48920,762,1731,023,0002,047,0002,498,560
5Feb 4, 2026 22:533,48924,249,3781,023,0002,047,0002,502,656
6Feb 4, 2026 22:533,49116,953,2581,024,0002,048,0002,490,368