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 16:11vahookvahookError
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 07:1409,279,6361,194,00002,113,536expected "6442459076 ", got " "
2May 17, 2026 07:14012,326,7461,326,00002,113,536expected "6442459076 ", got " "
3May 17, 2026 07:14010,186,1891,277,00002,113,536expected "6442459076 ", got " "
4Feb 5, 2026 16:113,48515,198,3971,022,0002,045,0002,535,424
5Feb 5, 2026 16:113,49120,018,6981,024,0002,048,0002,498,560
6Feb 5, 2026 16:113,49916,763,5961,026,0002,053,0002,535,424