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 00:16vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:10M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:10010,672,4981,208,00002,117,632expected "6442459076 ", got " "stderr
2May 17, 2026 07:10010,239,8451,294,00002,117,632expected "6442459076 ", got " "stderr
3May 17, 2026 07:10010,397,0441,195,00002,117,632expected "6442459076 ", got " "stderr
4Feb 6, 2026 00:163,46715,374,1261,017,0002,034,0002,502,656
5Feb 6, 2026 00:163,47017,525,0021,018,0002,036,0002,498,560
6Feb 6, 2026 00:163,48119,063,9261,021,0002,042,0002,494,464
7Feb 6, 2026 00:163,48815,117,5801,023,0002,046,0002,535,424
8Feb 6, 2026 00:163,52222,422,7891,033,0002,066,0002,498,560
9Feb 6, 2026 00:163,54521,650,1171,040,0002,080,0002,490,368