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 15, 2026 21:35zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 05:27M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 05:2708,840,8031,110,00002,113,536expected "6442459076 ", got "2305422362 "
2May 17, 2026 05:27010,995,1681,125,00002,113,536expected "6442459076 ", got "2305422362 "
3May 17, 2026 05:27011,019,9991,142,00002,113,536expected "6442459076 ", got "2305422362 "
4Feb 15, 2026 21:353,32718,080,1321,952,000976,0002,277,376
5Feb 15, 2026 21:353,39522,664,7861,992,000996,0002,441,216
6Feb 15, 2026 21:353,89522,253,4123,428,00002,277,376