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 listSep 2, 2026 16:18Victor MerckléVictor MerckléScore: 3,127Success
Source Code

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

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Sep 2, 2026 16:213,11810,964,0822,744,00002,117,632stderr
2Sep 2, 2026 16:213,12210,973,6132,748,00002,117,632stderr
3Sep 2, 2026 16:213,12510,973,9372,750,00002,117,632stderr
4Sep 2, 2026 16:213,12710,960,2102,752,00002,117,632stderr
5Sep 2, 2026 16:213,12711,013,1042,752,00002,117,632stderr
6Sep 2, 2026 16:213,12712,419,0702,752,00002,117,632stderr
7Sep 2, 2026 16:213,13411,046,8882,758,00002,117,632stderr
8Sep 2, 2026 16:213,13410,965,0102,758,00002,117,632stderr
9Sep 2, 2026 16:213,23611,053,7282,848,00002,117,632stderr