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 22:12vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 06:56M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 06:56011,398,6391,196,00002,117,632expected "6442459076 ", got " "stderr
2May 17, 2026 06:56011,000,6241,172,00002,117,632expected "6442459076 ", got " "stderr
3May 17, 2026 06:56011,716,6481,193,00002,117,632expected "6442459076 ", got " "stderr
4Feb 5, 2026 22:123,46024,289,0591,015,0002,030,0002,281,472
5Feb 5, 2026 22:123,46117,869,0361,015,0002,031,0002,490,368
6Feb 5, 2026 22:123,49425,208,2941,025,0002,050,0002,494,464