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 16:13vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:08M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:0808,888,1971,197,00002,113,536expected "6442459076 ", got " "
2May 17, 2026 07:0808,771,2331,207,00002,113,536expected "6442459076 ", got " "
3May 17, 2026 07:0808,974,3671,318,00002,113,536expected "6442459076 ", got " "
4Feb 5, 2026 16:133,47827,727,9391,020,0002,041,0002,494,464
5Feb 5, 2026 16:133,48524,428,3221,022,0002,045,0002,535,424
6Feb 5, 2026 16:133,53215,334,8421,036,0002,072,0002,494,464