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 20, 2026 01:58zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 05:15M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 05:16010,280,6131,093,00002,113,536expected "6442459076 ", got "2305422362 "
2May 17, 2026 05:1609,214,8131,098,00002,113,536expected "6442459076 ", got "2305422362 "
3May 17, 2026 05:16010,386,6881,093,00002,113,536expected "6442459076 ", got "2305422362 "
4Feb 20, 2026 01:583,16120,469,7682,782,00002,437,120
5Feb 20, 2026 01:583,31019,246,8431,942,000971,0002,437,120
6Feb 20, 2026 01:583,32224,534,7572,923,00002,441,216