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 6, 2026 01:21zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 06:44M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 06:4409,987,2811,143,00002,113,536expected "6442459076 ", got "2305422578 "
2May 17, 2026 06:4408,379,8871,125,00002,113,536expected "6442459076 ", got "2305422578 "
3May 17, 2026 06:4409,401,9841,218,00002,113,536expected "6442459076 ", got "2305422578 "
4Feb 6, 2026 01:213,42319,422,3641,004,0002,008,0002,347,008
5Feb 6, 2026 01:213,43622,463,7062,016,0001,008,0002,363,392
6Feb 6, 2026 01:213,44121,893,8462,019,0001,009,0002,363,392
7Feb 6, 2026 01:213,44821,283,7172,023,0001,011,0002,355,200
8Feb 6, 2026 01:213,45120,225,4991,012,0002,025,0002,351,104
9Feb 6, 2026 01:213,47223,046,6592,037,0001,018,0002,486,272