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 14, 2026 21:20zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 06:41M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 06:41010,072,3971,019,00002,113,536expected "6442459076 ", got "2305422362 "
2May 17, 2026 06:4108,278,3111,117,00002,113,536expected "6442459076 ", got "2305422362 "
3May 17, 2026 06:4108,609,6531,119,00002,113,536expected "6442459076 ", got "2305422362 "
4Feb 14, 2026 21:203,33115,768,1761,954,000977,0002,383,872
5Feb 14, 2026 21:203,42722,767,3762,011,0001,005,0002,379,776
6Feb 14, 2026 21:203,46515,926,9241,016,0002,033,0002,379,776