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 8, 2026 18:08zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 06:47M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 06:49011,222,8061,108,00002,113,536expected "6442459076 ", got "2305422362 "
2May 17, 2026 06:49010,034,1101,111,00002,113,536expected "6442459076 ", got "2305422362 "
3May 17, 2026 06:4908,676,7321,104,00002,113,536expected "6442459076 ", got "2305422362 "
4Feb 8, 2026 18:083,32722,682,7292,928,00002,383,872
5Feb 8, 2026 18:083,45022,373,6531,012,0002,024,0002,371,584
6Feb 8, 2026 18:084,22425,365,8413,717,00002,371,584