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 16, 2026 02:37zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 06:53M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 06:5308,309,0401,044,00002,113,536expected "6442459076 ", got "2305422578 "
2May 17, 2026 06:5308,425,6671,132,00002,113,536expected "6442459076 ", got "2305422578 "
3May 17, 2026 06:5308,432,7991,053,00002,113,536expected "6442459076 ", got "2305422578 "
4Jan 16, 2026 02:373,45020,956,7592,024,0001,012,0002,347,008
5Jan 16, 2026 02:373,45824,744,1462,029,0001,014,0002,355,200
6Jan 16, 2026 02:373,46117,828,6201,015,0002,031,0002,359,296