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 listFeb 19, 2026 20:11zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 05:15M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 05:15011,692,6211,120,00002,113,536expected "6442459076 ", got "2305422362 "
2May 17, 2026 05:1508,547,7191,107,00002,113,536expected "6442459076 ", got "2305422362 "
3May 17, 2026 05:15010,506,8821,107,00002,113,536expected "6442459076 ", got "2305422362 "
4Feb 19, 2026 20:113,13817,102,2132,761,00002,428,928
5Feb 19, 2026 20:113,24120,147,1082,852,00002,445,312
6Feb 19, 2026 20:113,36120,834,6252,958,00002,424,832