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 5, 2026 17:26vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 12:59M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 12:5908,807,8591,291,00002,117,632expected "6442459076 ", got " "stderr
2May 17, 2026 12:5909,505,6841,280,00002,117,632expected "6442459076 ", got " "stderr
3May 17, 2026 12:5908,652,1681,280,00002,117,632expected "6442459076 ", got " "stderr
4Feb 5, 2026 17:263,47016,388,8221,018,0002,036,0002,494,464
5Feb 5, 2026 17:263,48918,625,9851,023,0002,047,0002,281,472
6Feb 5, 2026 17:263,49119,653,8111,024,0002,048,0002,494,464
7Feb 5, 2026 17:263,50819,742,1141,029,0002,058,0002,277,376
8Feb 5, 2026 17:263,51916,137,5721,032,0002,065,0002,498,560
9Feb 5, 2026 17:263,56317,924,8051,045,0002,090,0002,281,472