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 01:54zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 05:25M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 05:2509,158,9671,004,00002,113,536expected "6442459076 ", got "2305422362 "
2May 17, 2026 05:25010,351,8331,023,00002,113,536expected "6442459076 ", got "2305422362 "
3May 17, 2026 05:25010,207,3901,031,00002,113,536expected "6442459076 ", got "2305422362 "
4Feb 15, 2026 01:543,33816,821,2481,958,000979,0002,277,376
5Feb 15, 2026 01:543,38017,013,2561,983,000991,0002,424,832
6Feb 15, 2026 01:543,45026,864,7792,024,0001,012,0002,424,832