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 5, 2026 01:17vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:07M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:0708,449,9601,176,00002,113,536expected "6442459076 ", got "8136 "
2May 17, 2026 07:0708,602,0171,174,00002,113,536expected "6442459076 ", got "8136 "
3May 17, 2026 07:0708,424,2771,252,00002,113,536expected "6442459076 ", got "8136 "
4Feb 5, 2026 01:173,47020,717,4421,018,0002,036,0002,494,464
5Feb 5, 2026 01:173,48421,000,9401,022,0002,044,0002,281,472
6Feb 5, 2026 01:173,48819,183,7591,023,0002,046,0002,494,464