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 26, 2026 23:23zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:17M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:1708,956,4321,121,00002,113,536expected "6442459076 ", got "2305422578 "
2May 17, 2026 07:17010,464,4011,125,00002,113,536expected "6442459076 ", got "2305422578 "
3May 17, 2026 07:1708,382,6311,198,00002,113,536expected "6442459076 ", got "2305422578 "
4Jan 26, 2026 23:233,47416,392,3112,038,0001,019,0002,359,296
5Jan 26, 2026 23:233,50920,877,8361,029,0002,059,0002,359,296
6Jan 26, 2026 23:234,35020,774,6123,828,00002,519,040