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 listJun 23, 2026 02:52Josu San MartinJosu San MartinScore: 5,097Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jun 23, 2026 02:575,05411,981,9924,448,00002,113,536
2Jun 23, 2026 02:575,06511,982,6894,458,00002,113,536
3Jun 23, 2026 02:575,06711,958,5054,459,00002,113,536
4Jun 23, 2026 02:575,07211,946,4904,464,00002,113,536
5Jun 23, 2026 02:575,09711,988,5764,486,00002,113,536
6Jun 23, 2026 02:575,16112,265,9944,542,00002,113,536
7Jun 23, 2026 02:575,17211,988,5794,552,00002,113,536
8Jun 23, 2026 02:575,18412,380,2444,562,00002,113,536
9Jun 23, 2026 02:575,19012,031,8394,568,00002,113,536