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 16, 2026 03:02Josu San MartinJosu San MartinScore: 62,351Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jan 16, 2026 03:0261,95079,214,81553,507,0001,009,0002,445,312
2Jan 16, 2026 03:0262,35182,931,64552,874,0001,995,0002,441,216
3Jan 16, 2026 03:0262,37281,899,53352,892,0001,995,0002,441,216