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 listApr 14, 2026 17:59limanjun99limanjun99Error
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 08:44M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 08:45010,937,02702,078,0002,121,728expected "6442459076 ", got "2147491626"
2May 17, 2026 08:45011,442,45002,262,0002,121,728expected "6442459076 ", got "2147491626"
3May 17, 2026 08:45012,609,61002,118,0002,121,728expected "6442459076 ", got "2147491626"
4Apr 14, 2026 17:5916,93935,758,25312,919,0001,987,0002,433,024
5Apr 14, 2026 17:5917,00733,555,81512,971,0001,995,0002,338,816
6Apr 14, 2026 17:5917,66532,838,36314,509,0001,036,0002,326,528