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 15, 2026 01:41zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 06:43M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 06:44010,708,0391,257,00002,113,536expected "6442459076 ", got "2305422362 "
2May 17, 2026 06:4408,261,8041,003,00002,113,536expected "6442459076 ", got "2305422362 "
3May 17, 2026 06:4408,453,4841,081,00002,113,536expected "6442459076 ", got "2305422362 "
4Feb 15, 2026 01:413,43318,758,8762,014,0001,007,0002,420,736
5Feb 15, 2026 01:413,44424,737,5612,021,0001,010,0002,416,640
6Feb 15, 2026 01:413,46420,072,1691,016,0002,032,0002,420,736