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 16, 2026 01:20zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 05:23M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 05:23010,328,2261,091,00002,113,536expected "6442459076 ", got "2305422362 "
2May 17, 2026 05:2308,416,3871,098,00002,113,536expected "6442459076 ", got "2305422362 "
3May 17, 2026 05:23011,102,9321,058,00002,113,536expected "6442459076 ", got "2305422362 "
4Feb 16, 2026 01:203,33020,877,2672,930,00002,441,216
5Feb 16, 2026 01:203,34419,914,5851,962,000981,0002,437,120
6Feb 16, 2026 01:203,75120,204,1492,201,0001,100,0002,428,928