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 6, 2026 04:15vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 06:57M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 06:58010,078,1341,203,00002,117,632expected "6442459076 ", got " "stderr
2May 17, 2026 06:58010,355,4671,193,00002,117,632expected "6442459076 ", got " "stderr
3May 17, 2026 06:58010,625,1511,207,00002,117,632expected "6442459076 ", got " "stderr
4Feb 6, 2026 04:153,42424,077,5471,004,0002,009,0002,281,472
5Feb 6, 2026 04:153,46720,149,7081,017,0002,034,0002,502,656
6Feb 6, 2026 04:153,48218,999,7551,021,0002,043,0002,277,376