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 03:25Josu San MartinJosu San MartinScore: 21,264Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jan 18, 2026 03:2521,25641,147,88517,666,0001,039,0002,428,928
2Jan 18, 2026 03:2521,26441,720,27218,712,00002,441,216
3Jan 18, 2026 03:2521,34847,429,08917,743,0001,043,0002,502,656