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 listJan 26, 2026 01:46zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 06:51M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 06:5109,386,0381,092,00002,113,536expected "6442459076 ", got "2305422578 "
2May 17, 2026 06:51010,108,1831,090,00002,113,536expected "6442459076 ", got "2305422578 "
3May 17, 2026 06:51010,793,1931,107,00002,113,536expected "6442459076 ", got "2305422578 "
4Jan 26, 2026 01:463,42420,841,0192,009,0001,004,0002,277,376
5Jan 26, 2026 01:463,45122,287,1592,025,0001,012,0002,355,200
6Jan 26, 2026 01:463,46820,845,1562,035,0001,017,0002,363,392