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 7, 2026 03:19zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:02M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:0208,668,5261,054,00002,113,536expected "6442459076 ", got "2305422362 "
2May 17, 2026 07:0208,456,7821,016,00002,113,536expected "6442459076 ", got "2305422362 "
3May 17, 2026 07:02010,084,6111,031,00002,113,536expected "6442459076 ", got "2305422362 "
4Feb 7, 2026 03:193,33922,261,0831,959,000979,0002,347,008
5Feb 7, 2026 03:193,46720,410,1852,034,0001,017,0002,277,376
6Feb 7, 2026 03:193,46821,942,6681,017,0002,035,0002,535,424