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 20, 2026 17:29Joshua Bergman AnderssonJoshua Bergman AnderssonScore: 148,210Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jan 20, 2026 17:29148,085153,578,147128,311,0002,004,0002,289,664
2Jan 20, 2026 17:29148,210161,451,071129,422,0001,003,0002,269,184
3Jan 20, 2026 17:29148,331151,486,313129,527,0001,004,0002,527,232