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 04:50zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:16M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:16010,007,4931,027,00002,113,536expected "6442459076 ", got "2305422362 "
2May 17, 2026 07:1609,998,7981,026,00002,113,536expected "6442459076 ", got "2305422362 "
3May 17, 2026 07:1609,902,1001,010,00002,113,536expected "6442459076 ", got "2305422362 "
4Feb 6, 2026 04:503,48220,233,3421,021,0002,043,0002,347,008
5Feb 6, 2026 04:503,50219,302,4952,055,0001,027,0002,342,912
6Feb 6, 2026 04:503,68223,337,8932,160,0001,080,0002,342,912