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 25, 2026 01:17zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 06:41M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 06:41010,060,2161,113,00002,113,536expected "6442459076 ", got "2305422578 "
2May 17, 2026 06:4108,365,5161,217,00002,113,536expected "6442459076 ", got "2305422578 "
3May 17, 2026 06:41011,344,8702,194,00002,113,536expected "6442459076 ", got "2305422578 "
4Jan 25, 2026 01:173,37221,116,5081,978,000989,0002,359,296
5Jan 25, 2026 01:173,43020,283,5681,006,0002,012,0002,359,296
6Jan 25, 2026 01:173,46121,315,2822,031,0001,015,0002,355,200