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 7, 2026 03:15zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:06M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:06010,261,3951,021,00002,113,536expected "6442459076 ", got "2305422362 "
2May 17, 2026 07:06011,375,4501,030,00002,113,536expected "6442459076 ", got "2305422362 "
3May 17, 2026 07:0608,985,5321,014,00002,113,536expected "6442459076 ", got "2305422362 "
4Feb 7, 2026 03:153,36816,111,7151,976,000988,0002,347,008
5Feb 7, 2026 03:163,45721,045,9691,014,0002,028,0002,351,104
6Feb 7, 2026 03:163,46419,950,8472,032,0001,016,0002,355,200
7Feb 7, 2026 03:163,47220,259,5092,037,0001,018,0002,453,504
8Feb 7, 2026 03:153,77518,179,7803,322,00002,535,424
9Feb 7, 2026 03:154,46129,646,6643,926,00002,347,008