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 16:32vahookvahookError
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 07:1608,486,4121,207,00002,117,632expected "6442459076 ", got " "stderr
2May 17, 2026 07:16010,163,1661,207,00002,117,632expected "6442459076 ", got " "stderr
3May 17, 2026 07:1608,488,2021,201,00002,117,632expected "6442459076 ", got " "stderr
4Feb 5, 2026 16:323,49218,978,6041,024,0002,049,0002,502,656
5Feb 5, 2026 16:323,49421,808,5131,025,0002,050,0002,498,560
6Feb 5, 2026 16:323,53324,559,5911,036,0002,073,0002,494,464