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 16:16vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 12:49M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 12:5008,599,1061,199,00002,117,632expected "6442459076 ", got " "stderr
2May 17, 2026 12:50010,333,1341,201,00002,117,632expected "6442459076 ", got " "stderr
3May 17, 2026 12:5008,461,4231,190,00002,117,632expected "6442459076 ", got " "stderr
4Feb 5, 2026 16:163,49118,780,9341,024,0002,048,0002,490,368
5Feb 5, 2026 16:163,50622,580,8551,028,0002,057,0002,281,472
6Feb 5, 2026 16:163,53519,136,7391,037,0002,074,0002,494,464