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 listJul 2, 2026 06:21Victor MerckléVictor MerckléScore: 4,731Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jul 2, 2026 06:244,60211,881,3874,050,00002,117,632stderr
2Jul 2, 2026 06:244,60911,805,6694,056,00002,117,632stderr
3Jul 2, 2026 06:244,61711,788,1184,063,00002,117,632stderr
4Jul 2, 2026 06:244,73011,851,7184,163,00002,117,632stderr
5Jul 2, 2026 06:244,73111,825,8944,164,00002,117,632stderr
6Jul 2, 2026 06:244,73411,870,8274,166,00002,117,632stderr
7Jul 2, 2026 06:244,73411,993,0374,166,00002,117,632stderr
8Jul 2, 2026 06:244,75311,900,8144,183,00002,117,632stderr
9Jul 2, 2026 06:244,75611,897,7814,186,00002,117,632stderr