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 9, 2026 01:23zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 06:42M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 06:4208,495,0241,109,00002,113,536expected "6442459076 ", got "2305422362 "
2May 17, 2026 06:4209,096,5231,109,00002,113,536expected "6442459076 ", got "2305422362 "
3May 17, 2026 06:42010,548,2111,102,00002,113,536expected "6442459076 ", got "2305422362 "
4Feb 9, 2026 01:233,38616,331,9381,987,000993,0002,523,136
5Feb 9, 2026 01:233,43318,210,6892,014,0001,007,0002,347,008
6Feb 9, 2026 01:233,44718,064,9331,011,0002,022,0002,277,376