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 10, 2026 13:54zielajzielajError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:04M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:0408,298,9351,101,00002,113,536expected "6442459076 ", got "2305422362 "
2May 17, 2026 07:0409,970,4961,113,00002,113,536expected "6442459076 ", got "2305422362 "
3May 17, 2026 07:0409,971,7351,120,00002,113,536expected "6442459076 ", got "2305422362 "
4Feb 10, 2026 13:533,32420,125,3402,925,00002,527,232
5Feb 10, 2026 13:533,33120,376,3282,931,00002,527,232
6Feb 10, 2026 13:543,34816,283,2061,964,000982,0002,383,872
7Feb 10, 2026 13:543,46818,310,2552,035,0001,017,0002,379,776
8Feb 10, 2026 13:544,05518,309,4883,568,00002,269,184
9Feb 10, 2026 13:534,21617,688,3483,710,00002,371,584