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 listMar 25, 2026 20:00Dominique GarmierDominique GarmierError
Source Code

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Challenge History
DateChallengerCostTypeStatus
Sep 9, 2026 10:08Tomislav Tunkovic20.23CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Sep 9, 2026 10:090369,338,917361,210,00002,117,632expected "29184077674789 ", got "26203549297348 "
2Sep 9, 2026 10:090408,628,424400,362,00002,113,536expected "28377736726836 ", got "23612450964158 "
3Sep 9, 2026 10:090376,463,167368,352,00002,113,536expected "31337757904053 ", got "26440834680063 "
4Mar 25, 2026 20:0033,05855,789,57028,088,0001,003,0002,277,376
5Mar 25, 2026 20:0033,07352,043,90928,101,0001,003,0002,482,176
6Mar 25, 2026 20:0033,31552,535,36629,317,00002,473,984