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 01:02vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:14M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:1408,731,7811,174,00002,117,632expected "6442459076 ", got "8136 "stderr
2May 17, 2026 07:1408,514,6081,187,00002,117,632expected "6442459076 ", got "8136 "stderr
3May 17, 2026 07:1408,990,4611,184,00002,117,632expected "6442459076 ", got "8136 "stderr
4Feb 5, 2026 01:023,48920,810,2731,023,0002,047,0002,498,560
5Feb 5, 2026 01:023,49119,610,0151,024,0002,048,0002,498,560
6Feb 5, 2026 01:023,51520,129,1531,031,0002,062,0002,494,464