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 22:57vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 13:21M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 13:24022,224,6891,255,00002,113,536expected "6442459076 ", got "8136 "
2May 17, 2026 13:24018,548,4801,394,00002,113,536expected "6442459076 ", got "8136 "
3May 17, 2026 13:24018,741,1671,274,00002,113,536expected "6442459076 ", got "8136 "
4Feb 4, 2026 22:573,48924,247,7961,023,0002,047,0002,494,464
5Feb 4, 2026 22:573,50920,986,1151,029,0002,059,0002,490,368
6Feb 4, 2026 22:573,54921,740,7681,041,0002,082,0002,498,560