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 00:32vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:04M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:04010,303,0451,216,00002,113,536expected "6442459076 ", got "8136 "
2May 17, 2026 07:04010,351,7461,292,00002,113,536expected "6442459076 ", got "8136 "
3May 17, 2026 07:0408,528,1131,143,00002,113,536expected "6442459076 ", got "8136 "
4Feb 5, 2026 00:323,46722,863,7991,017,0002,034,0002,281,472
5Feb 5, 2026 00:323,48123,345,0631,021,0002,042,0002,498,560
6Feb 5, 2026 00:323,63419,218,6851,066,0002,132,0002,498,560