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 19, 2026 20:11zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 05:24M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 05:2409,069,5571,095,00002,113,536expected "6442459076 ", got "2305422362 "
2May 17, 2026 05:2408,643,5371,098,00002,113,536expected "6442459076 ", got "2305422362 "
3May 17, 2026 05:24010,676,4291,192,00002,113,536expected "6442459076 ", got "2305422362 "
4Feb 19, 2026 20:113,14015,892,4882,763,00002,428,928
5Feb 19, 2026 20:113,34919,865,1361,965,000982,0002,428,928
6Feb 19, 2026 20:113,34922,069,6671,965,000982,0002,441,216