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 4, 2026 22:36vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:15M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:15010,026,6521,245,00002,113,536expected "6442459076 ", got "8136 "
2May 17, 2026 07:1508,577,4031,219,00002,113,536expected "6442459076 ", got "8136 "
3May 17, 2026 07:1508,506,5341,232,00002,113,536expected "6442459076 ", got "8136 "
4Feb 4, 2026 22:363,47816,450,2991,020,0002,041,0002,498,560
5Feb 4, 2026 22:363,49220,400,6211,024,0002,049,0002,490,368
6Feb 4, 2026 22:363,54915,058,4451,041,0002,082,0002,490,368