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 23:17vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:06M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:06011,330,1771,201,00002,117,632expected "6442459076 ", got " "stderr
2May 17, 2026 07:06010,090,9421,154,00002,117,632expected "6442459076 ", got " "stderr
3May 17, 2026 07:06010,100,5711,203,00002,117,632expected "6442459076 ", got " "stderr
4Feb 5, 2026 23:173,46117,065,9081,015,0002,031,0002,490,368
5Feb 5, 2026 23:173,48225,323,6591,021,0002,043,0002,498,560
6Feb 5, 2026 23:173,52625,220,9941,034,0002,069,0002,281,472