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 16:24vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:17M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:17011,281,7871,218,00002,117,632expected "6442459076 ", got " "stderr
2May 17, 2026 07:1709,731,8411,289,00002,117,632expected "6442459076 ", got " "stderr
3May 17, 2026 07:1709,986,3401,197,00002,117,632expected "6442459076 ", got " "stderr
4Feb 5, 2026 16:243,46819,172,8071,017,0002,035,0002,535,424
5Feb 5, 2026 16:243,49518,071,3781,025,0002,051,0002,490,368
6Feb 5, 2026 16:243,56917,833,7471,047,0002,094,0002,494,464