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 22, 2026 03:21zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 06:38M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 06:3909,519,4811,215,00002,113,536expected "6442459076 ", got "2305422578 "
2May 17, 2026 06:39010,286,5371,133,00002,113,536expected "6442459076 ", got "2305422578 "
3May 17, 2026 06:3908,418,0691,153,00002,113,536expected "6442459076 ", got "2305422578 "
4Jan 22, 2026 03:213,39521,658,1881,992,000996,0002,359,296
5Jan 22, 2026 03:213,41922,264,7462,006,0001,003,0002,355,200
6Jan 22, 2026 03:214,24518,829,4333,736,00002,347,008