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 18, 2026 01:49Josu San MartinJosu San MartinScore: 25,032Success
Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jan 18, 2026 01:4924,91449,915,82620,928,000996,0002,514,944
2Jan 18, 2026 01:4825,01744,932,80120,014,0002,001,0002,445,312
3Jan 18, 2026 01:4825,01741,154,95920,014,0002,001,0002,461,696
4Jan 18, 2026 01:4825,03240,612,62120,026,0002,002,0002,457,600
5Jan 18, 2026 01:4925,03646,444,00621,031,0001,001,0002,453,504
6Jan 18, 2026 01:4925,04453,624,16820,036,0002,003,0002,449,408