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 01:47zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:08M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:0808,559,5751,109,00002,113,536expected "6442459076 ", got "2305422578 "
2May 17, 2026 07:08010,107,2761,199,00002,113,536expected "6442459076 ", got "2305422578 "
3May 17, 2026 07:08011,233,7091,628,00002,113,536expected "6442459076 ", got "2305422578 "
4Jan 26, 2026 01:473,36820,976,5411,976,000988,0002,269,184
5Jan 26, 2026 01:473,47820,679,6522,041,0001,020,0002,355,200
6Jan 26, 2026 01:474,32220,972,4523,803,00002,535,424