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 6, 2026 01:12zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 06:39M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 06:3909,189,0251,217,00002,113,536expected "6442459076 ", got "2305422578 "
2May 17, 2026 06:3908,319,5241,185,00002,113,536expected "6442459076 ", got "2305422578 "
3May 17, 2026 06:39010,045,0861,209,00002,113,536expected "6442459076 ", got "2305422578 "
4Feb 6, 2026 01:123,41619,266,9902,004,0001,002,0002,347,008
5Feb 6, 2026 01:123,41922,439,9012,006,0001,003,0002,355,200
6Feb 6, 2026 01:123,43620,958,4402,016,0001,008,0002,355,200