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 19, 2026 20:08zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 05:16M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 05:16010,228,7421,094,00002,113,536expected "6442459076 ", got "2305422362 "
2May 17, 2026 05:1609,695,3561,091,00002,113,536expected "6442459076 ", got "2305422362 "
3May 17, 2026 05:1609,548,8741,101,00002,113,536expected "6442459076 ", got "2305422362 "
4Feb 19, 2026 20:083,18528,544,4792,803,00002,412,544
5Feb 19, 2026 20:083,31521,540,010972,0001,945,0002,392,064
6Feb 19, 2026 20:083,31822,505,1672,920,00002,408,448